Changes up to and including Olson's tzdata2008b

6 files changed, 209 insertions, 383 deletions

diff --git a/library/tzdata/Asia/Baghdad b/library/tzdata/Asia/Baghdad
index 64b45f1..c1058cb 100644
--- a/library/tzdata/Asia/Baghdad
+++ b/library/tzdata/Asia/Baghdad
@@ -56,188 +56,4 @@ set TZData(:Asia/Baghdad) {
     {1159660800 10800 0 AST}
     {1175385600 14400 1 ADT}
     {1191196800 10800 0 AST}
-    {1207008000 14400 1 ADT}
-    {1222819200 10800 0 AST}
-    {1238544000 14400 1 ADT}
-    {1254355200 10800 0 AST}
-    {1270080000 14400 1 ADT}
-    {1285891200 10800 0 AST}
-    {1301616000 14400 1 ADT}
-    {1317427200 10800 0 AST}
-    {1333238400 14400 1 ADT}
-    {1349049600 10800 0 AST}
-    {1364774400 14400 1 ADT}
-    {1380585600 10800 0 AST}
-    {1396310400 14400 1 ADT}
-    {1412121600 10800 0 AST}
-    {1427846400 14400 1 ADT}
-    {1443657600 10800 0 AST}
-    {1459468800 14400 1 ADT}
-    {1475280000 10800 0 AST}
-    {1491004800 14400 1 ADT}
-    {1506816000 10800 0 AST}
-    {1522540800 14400 1 ADT}
-    {1538352000 10800 0 AST}
-    {1554076800 14400 1 ADT}
-    {1569888000 10800 0 AST}
-    {1585699200 14400 1 ADT}
-    {1601510400 10800 0 AST}
-    {1617235200 14400 1 ADT}
-    {1633046400 10800 0 AST}
-    {1648771200 14400 1 ADT}
-    {1664582400 10800 0 AST}
-    {1680307200 14400 1 ADT}
-    {1696118400 10800 0 AST}
-    {1711929600 14400 1 ADT}
-    {1727740800 10800 0 AST}
-    {1743465600 14400 1 ADT}
-    {1759276800 10800 0 AST}
-    {1775001600 14400 1 ADT}
-    {1790812800 10800 0 AST}
-    {1806537600 14400 1 ADT}
-    {1822348800 10800 0 AST}
-    {1838160000 14400 1 ADT}
-    {1853971200 10800 0 AST}
-    {1869696000 14400 1 ADT}
-    {1885507200 10800 0 AST}
-    {1901232000 14400 1 ADT}
-    {1917043200 10800 0 AST}
-    {1932768000 14400 1 ADT}
-    {1948579200 10800 0 AST}
-    {1964390400 14400 1 ADT}
-    {1980201600 10800 0 AST}
-    {1995926400 14400 1 ADT}
-    {2011737600 10800 0 AST}
-    {2027462400 14400 1 ADT}
-    {2043273600 10800 0 AST}
-    {2058998400 14400 1 ADT}
-    {2074809600 10800 0 AST}
-    {2090620800 14400 1 ADT}
-    {2106432000 10800 0 AST}
-    {2122156800 14400 1 ADT}
-    {2137968000 10800 0 AST}
-    {2153692800 14400 1 ADT}
-    {2169504000 10800 0 AST}
-    {2185228800 14400 1 ADT}
-    {2201040000 10800 0 AST}
-    {2216851200 14400 1 ADT}
-    {2232662400 10800 0 AST}
-    {2248387200 14400 1 ADT}
-    {2264198400 10800 0 AST}
-    {2279923200 14400 1 ADT}
-    {2295734400 10800 0 AST}
-    {2311459200 14400 1 ADT}
-    {2327270400 10800 0 AST}
-    {2343081600 14400 1 ADT}
-    {2358892800 10800 0 AST}
-    {2374617600 14400 1 ADT}
-    {2390428800 10800 0 AST}
-    {2406153600 14400 1 ADT}
-    {2421964800 10800 0 AST}
-    {2437689600 14400 1 ADT}
-    {2453500800 10800 0 AST}
-    {2469312000 14400 1 ADT}
-    {2485123200 10800 0 AST}
-    {2500848000 14400 1 ADT}
-    {2516659200 10800 0 AST}
-    {2532384000 14400 1 ADT}
-    {2548195200 10800 0 AST}
-    {2563920000 14400 1 ADT}
-    {2579731200 10800 0 AST}
-    {2595542400 14400 1 ADT}
-    {2611353600 10800 0 AST}
-    {2627078400 14400 1 ADT}
-    {2642889600 10800 0 AST}
-    {2658614400 14400 1 ADT}
-    {2674425600 10800 0 AST}
-    {2690150400 14400 1 ADT}
-    {2705961600 10800 0 AST}
-    {2721772800 14400 1 ADT}
-    {2737584000 10800 0 AST}
-    {2753308800 14400 1 ADT}
-    {2769120000 10800 0 AST}
-    {2784844800 14400 1 ADT}
-    {2800656000 10800 0 AST}
-    {2816380800 14400 1 ADT}
-    {2832192000 10800 0 AST}
-    {2848003200 14400 1 ADT}
-    {2863814400 10800 0 AST}
-    {2879539200 14400 1 ADT}
-    {2895350400 10800 0 AST}
-    {2911075200 14400 1 ADT}
-    {2926886400 10800 0 AST}
-    {2942611200 14400 1 ADT}
-    {2958422400 10800 0 AST}
-    {2974233600 14400 1 ADT}
-    {2990044800 10800 0 AST}
-    {3005769600 14400 1 ADT}
-    {3021580800 10800 0 AST}
-    {3037305600 14400 1 ADT}
-    {3053116800 10800 0 AST}
-    {3068841600 14400 1 ADT}
-    {3084652800 10800 0 AST}
-    {3100464000 14400 1 ADT}
-    {3116275200 10800 0 AST}
-    {3132000000 14400 1 ADT}
-    {3147811200 10800 0 AST}
-    {3163536000 14400 1 ADT}
-    {3179347200 10800 0 AST}
-    {3195072000 14400 1 ADT}
-    {3210883200 10800 0 AST}
-    {3226694400 14400 1 ADT}
-    {3242505600 10800 0 AST}
-    {3258230400 14400 1 ADT}
-    {3274041600 10800 0 AST}
-    {3289766400 14400 1 ADT}
-    {3305577600 10800 0 AST}
-    {3321302400 14400 1 ADT}
-    {3337113600 10800 0 AST}
-    {3352924800 14400 1 ADT}
-    {3368736000 10800 0 AST}
-    {3384460800 14400 1 ADT}
-    {3400272000 10800 0 AST}
-    {3415996800 14400 1 ADT}
-    {3431808000 10800 0 AST}
-    {3447532800 14400 1 ADT}
-    {3463344000 10800 0 AST}
-    {3479155200 14400 1 ADT}
-    {3494966400 10800 0 AST}
-    {3510691200 14400 1 ADT}
-    {3526502400 10800 0 AST}
-    {3542227200 14400 1 ADT}
-    {3558038400 10800 0 AST}
-    {3573763200 14400 1 ADT}
-    {3589574400 10800 0 AST}
-    {3605385600 14400 1 ADT}
-    {3621196800 10800 0 AST}
-    {3636921600 14400 1 ADT}
-    {3652732800 10800 0 AST}
-    {3668457600 14400 1 ADT}
-    {3684268800 10800 0 AST}
-    {3699993600 14400 1 ADT}
-    {3715804800 10800 0 AST}
-    {3731616000 14400 1 ADT}
-    {3747427200 10800 0 AST}
-    {3763152000 14400 1 ADT}
-    {3778963200 10800 0 AST}
-    {3794688000 14400 1 ADT}
-    {3810499200 10800 0 AST}
-    {3826224000 14400 1 ADT}
-    {3842035200 10800 0 AST}
-    {3857846400 14400 1 ADT}
-    {3873657600 10800 0 AST}
-    {3889382400 14400 1 ADT}
-    {3905193600 10800 0 AST}
-    {3920918400 14400 1 ADT}
-    {3936729600 10800 0 AST}
-    {3952454400 14400 1 ADT}
-    {3968265600 10800 0 AST}
-    {3984076800 14400 1 ADT}
-    {3999888000 10800 0 AST}
-    {4015612800 14400 1 ADT}
-    {4031424000 10800 0 AST}
-    {4047148800 14400 1 ADT}
-    {4062960000 10800 0 AST}
-    {4078684800 14400 1 ADT}
-    {4094496000 10800 0 AST}
 }
diff --git a/library/tzdata/Asia/Calcutta b/library/tzdata/Asia/Calcutta
index 3dfb94a..7243ef8 100644
--- a/library/tzdata/Asia/Calcutta
+++ b/library/tzdata/Asia/Calcutta
@@ -1,10 +1,5 @@
 # created by tools/tclZIC.tcl - do not edit
-
-set TZData(:Asia/Calcutta) {
-    {-9223372036854775808 21208 0 LMT}
-    {-2840162008 21200 0 HMT}
-    {-891582800 23400 0 BURT}
-    {-872058600 19800 0 IST}
-    {-862637400 23400 1 IST}
-    {-764145000 19800 0 IST}
+if {![info exists TZData(Asia/Kolkata)]} {
+    LoadTimeZoneFile Asia/Kolkata
 }
+set TZData(:Asia/Calcutta) $TZData(:Asia/Kolkata)
diff --git a/library/tzdata/Asia/Damascus b/library/tzdata/Asia/Damascus
index 1dc6889..56b5e7d 100644
--- a/library/tzdata/Asia/Damascus
+++ b/library/tzdata/Asia/Damascus
@@ -93,188 +93,188 @@ set TZData(:Asia/Damascus) {
     {1158872400 7200 0 EET}
     {1175205600 10800 1 EEST}
     {1193950800 7200 0 EET}
-    {1206655200 10800 1 EEST}
-    {1226005200 7200 0 EET}
-    {1238104800 10800 1 EEST}
-    {1257454800 7200 0 EET}
-    {1269554400 10800 1 EEST}
-    {1288904400 7200 0 EET}
-    {1301004000 10800 1 EEST}
-    {1320354000 7200 0 EET}
-    {1333058400 10800 1 EEST}
-    {1351803600 7200 0 EET}
-    {1364508000 10800 1 EEST}
-    {1383253200 7200 0 EET}
-    {1395957600 10800 1 EEST}
-    {1415307600 7200 0 EET}
-    {1427407200 10800 1 EEST}
-    {1446757200 7200 0 EET}
-    {1458856800 10800 1 EEST}
-    {1478206800 7200 0 EET}
-    {1490911200 10800 1 EEST}
-    {1509656400 7200 0 EET}
-    {1522360800 10800 1 EEST}
-    {1541106000 7200 0 EET}
-    {1553810400 10800 1 EEST}
-    {1572555600 7200 0 EET}
-    {1585260000 10800 1 EEST}
-    {1604610000 7200 0 EET}
-    {1616709600 10800 1 EEST}
-    {1636059600 7200 0 EET}
-    {1648159200 10800 1 EEST}
-    {1667509200 7200 0 EET}
-    {1680213600 10800 1 EEST}
-    {1698958800 7200 0 EET}
-    {1711663200 10800 1 EEST}
-    {1730408400 7200 0 EET}
-    {1743112800 10800 1 EEST}
-    {1762462800 7200 0 EET}
-    {1774562400 10800 1 EEST}
-    {1793912400 7200 0 EET}
-    {1806012000 10800 1 EEST}
-    {1825362000 7200 0 EET}
-    {1838066400 10800 1 EEST}
-    {1856811600 7200 0 EET}
-    {1869516000 10800 1 EEST}
-    {1888261200 7200 0 EET}
-    {1900965600 10800 1 EEST}
-    {1919710800 7200 0 EET}
-    {1932415200 10800 1 EEST}
-    {1951765200 7200 0 EET}
-    {1963864800 10800 1 EEST}
-    {1983214800 7200 0 EET}
-    {1995314400 10800 1 EEST}
-    {2014664400 7200 0 EET}
-    {2027368800 10800 1 EEST}
-    {2046114000 7200 0 EET}
-    {2058818400 10800 1 EEST}
-    {2077563600 7200 0 EET}
-    {2090268000 10800 1 EEST}
-    {2109618000 7200 0 EET}
-    {2121717600 10800 1 EEST}
-    {2141067600 7200 0 EET}
-    {2153167200 10800 1 EEST}
-    {2172517200 7200 0 EET}
-    {2184616800 10800 1 EEST}
-    {2203966800 7200 0 EET}
-    {2216671200 10800 1 EEST}
-    {2235416400 7200 0 EET}
-    {2248120800 10800 1 EEST}
-    {2266866000 7200 0 EET}
-    {2279570400 10800 1 EEST}
-    {2298920400 7200 0 EET}
-    {2311020000 10800 1 EEST}
-    {2330370000 7200 0 EET}
-    {2342469600 10800 1 EEST}
-    {2361819600 7200 0 EET}
-    {2374524000 10800 1 EEST}
-    {2393269200 7200 0 EET}
-    {2405973600 10800 1 EEST}
-    {2424718800 7200 0 EET}
-    {2437423200 10800 1 EEST}
-    {2456168400 7200 0 EET}
-    {2468872800 10800 1 EEST}
-    {2488222800 7200 0 EET}
-    {2500322400 10800 1 EEST}
-    {2519672400 7200 0 EET}
-    {2531772000 10800 1 EEST}
-    {2551122000 7200 0 EET}
-    {2563826400 10800 1 EEST}
-    {2582571600 7200 0 EET}
-    {2595276000 10800 1 EEST}
-    {2614021200 7200 0 EET}
-    {2626725600 10800 1 EEST}
-    {2646075600 7200 0 EET}
-    {2658175200 10800 1 EEST}
-    {2677525200 7200 0 EET}
-    {2689624800 10800 1 EEST}
-    {2708974800 7200 0 EET}
-    {2721679200 10800 1 EEST}
-    {2740424400 7200 0 EET}
-    {2753128800 10800 1 EEST}
-    {2771874000 7200 0 EET}
-    {2784578400 10800 1 EEST}
-    {2803323600 7200 0 EET}
-    {2816028000 10800 1 EEST}
-    {2835378000 7200 0 EET}
-    {2847477600 10800 1 EEST}
-    {2866827600 7200 0 EET}
-    {2878927200 10800 1 EEST}
-    {2898277200 7200 0 EET}
-    {2910981600 10800 1 EEST}
-    {2929726800 7200 0 EET}
-    {2942431200 10800 1 EEST}
-    {2961176400 7200 0 EET}
-    {2973880800 10800 1 EEST}
-    {2993230800 7200 0 EET}
-    {3005330400 10800 1 EEST}
-    {3024680400 7200 0 EET}
-    {3036780000 10800 1 EEST}
-    {3056130000 7200 0 EET}
-    {3068229600 10800 1 EEST}
-    {3087579600 7200 0 EET}
-    {3100284000 10800 1 EEST}
-    {3119029200 7200 0 EET}
-    {3131733600 10800 1 EEST}
-    {3150478800 7200 0 EET}
-    {3163183200 10800 1 EEST}
-    {3182533200 7200 0 EET}
-    {3194632800 10800 1 EEST}
-    {3213982800 7200 0 EET}
-    {3226082400 10800 1 EEST}
-    {3245432400 7200 0 EET}
-    {3258136800 10800 1 EEST}
-    {3276882000 7200 0 EET}
-    {3289586400 10800 1 EEST}
-    {3308331600 7200 0 EET}
-    {3321036000 10800 1 EEST}
-    {3339781200 7200 0 EET}
-    {3352485600 10800 1 EEST}
-    {3371835600 7200 0 EET}
-    {3383935200 10800 1 EEST}
-    {3403285200 7200 0 EET}
-    {3415384800 10800 1 EEST}
-    {3434734800 7200 0 EET}
-    {3447439200 10800 1 EEST}
-    {3466184400 7200 0 EET}
-    {3478888800 10800 1 EEST}
-    {3497634000 7200 0 EET}
-    {3510338400 10800 1 EEST}
-    {3529688400 7200 0 EET}
-    {3541788000 10800 1 EEST}
-    {3561138000 7200 0 EET}
-    {3573237600 10800 1 EEST}
-    {3592587600 7200 0 EET}
-    {3605292000 10800 1 EEST}
-    {3624037200 7200 0 EET}
-    {3636741600 10800 1 EEST}
-    {3655486800 7200 0 EET}
-    {3668191200 10800 1 EEST}
-    {3686936400 7200 0 EET}
-    {3699640800 10800 1 EEST}
-    {3718990800 7200 0 EET}
-    {3731090400 10800 1 EEST}
-    {3750440400 7200 0 EET}
-    {3762540000 10800 1 EEST}
-    {3781890000 7200 0 EET}
-    {3794594400 10800 1 EEST}
-    {3813339600 7200 0 EET}
-    {3826044000 10800 1 EEST}
-    {3844789200 7200 0 EET}
-    {3857493600 10800 1 EEST}
-    {3876843600 7200 0 EET}
-    {3888943200 10800 1 EEST}
-    {3908293200 7200 0 EET}
-    {3920392800 10800 1 EEST}
-    {3939742800 7200 0 EET}
-    {3951842400 10800 1 EEST}
-    {3971192400 7200 0 EET}
-    {3983896800 10800 1 EEST}
-    {4002642000 7200 0 EET}
-    {4015346400 10800 1 EEST}
-    {4034091600 7200 0 EET}
-    {4046796000 10800 1 EEST}
-    {4066146000 7200 0 EET}
-    {4078245600 10800 1 EEST}
-    {4097595600 7200 0 EET}
+    {1207260000 10800 1 EEST}
+    {1222808400 7200 0 EET}
+    {1238709600 10800 1 EEST}
+    {1254344400 7200 0 EET}
+    {1270159200 10800 1 EEST}
+    {1285880400 7200 0 EET}
+    {1301608800 10800 1 EEST}
+    {1317416400 7200 0 EET}
+    {1333663200 10800 1 EEST}
+    {1349038800 7200 0 EET}
+    {1365112800 10800 1 EEST}
+    {1380574800 7200 0 EET}
+    {1396562400 10800 1 EEST}
+    {1412110800 7200 0 EET}
+    {1428012000 10800 1 EEST}
+    {1443646800 7200 0 EET}
+    {1459461600 10800 1 EEST}
+    {1475269200 7200 0 EET}
+    {1491516000 10800 1 EEST}
+    {1506805200 7200 0 EET}
+    {1522965600 10800 1 EEST}
+    {1538341200 7200 0 EET}
+    {1554415200 10800 1 EEST}
+    {1569877200 7200 0 EET}
+    {1585864800 10800 1 EEST}
+    {1601499600 7200 0 EET}
+    {1617314400 10800 1 EEST}
+    {1633035600 7200 0 EET}
+    {1648764000 10800 1 EEST}
+    {1664571600 7200 0 EET}
+    {1680818400 10800 1 EEST}
+    {1696107600 7200 0 EET}
+    {1712268000 10800 1 EEST}
+    {1727730000 7200 0 EET}
+    {1743717600 10800 1 EEST}
+    {1759266000 7200 0 EET}
+    {1775167200 10800 1 EEST}
+    {1790802000 7200 0 EET}
+    {1806616800 10800 1 EEST}
+    {1822338000 7200 0 EET}
+    {1838671200 10800 1 EEST}
+    {1853960400 7200 0 EET}
+    {1870120800 10800 1 EEST}
+    {1885496400 7200 0 EET}
+    {1901570400 10800 1 EEST}
+    {1917032400 7200 0 EET}
+    {1933020000 10800 1 EEST}
+    {1948568400 7200 0 EET}
+    {1964469600 10800 1 EEST}
+    {1980190800 7200 0 EET}
+    {1995919200 10800 1 EEST}
+    {2011726800 7200 0 EET}
+    {2027973600 10800 1 EEST}
+    {2043262800 7200 0 EET}
+    {2059423200 10800 1 EEST}
+    {2074798800 7200 0 EET}
+    {2090872800 10800 1 EEST}
+    {2106421200 7200 0 EET}
+    {2122322400 10800 1 EEST}
+    {2137957200 7200 0 EET}
+    {2153772000 10800 1 EEST}
+    {2169493200 7200 0 EET}
+    {2185221600 10800 1 EEST}
+    {2201029200 7200 0 EET}
+    {2217276000 10800 1 EEST}
+    {2232651600 7200 0 EET}
+    {2248725600 10800 1 EEST}
+    {2264187600 7200 0 EET}
+    {2280175200 10800 1 EEST}
+    {2295723600 7200 0 EET}
+    {2311624800 10800 1 EEST}
+    {2327259600 7200 0 EET}
+    {2343074400 10800 1 EEST}
+    {2358882000 7200 0 EET}
+    {2375128800 10800 1 EEST}
+    {2390418000 7200 0 EET}
+    {2406578400 10800 1 EEST}
+    {2421954000 7200 0 EET}
+    {2438028000 10800 1 EEST}
+    {2453490000 7200 0 EET}
+    {2469477600 10800 1 EEST}
+    {2485112400 7200 0 EET}
+    {2500927200 10800 1 EEST}
+    {2516648400 7200 0 EET}
+    {2532376800 10800 1 EEST}
+    {2548184400 7200 0 EET}
+    {2564431200 10800 1 EEST}
+    {2579720400 7200 0 EET}
+    {2595880800 10800 1 EEST}
+    {2611342800 7200 0 EET}
+    {2627330400 10800 1 EEST}
+    {2642878800 7200 0 EET}
+    {2658780000 10800 1 EEST}
+    {2674414800 7200 0 EET}
+    {2690229600 10800 1 EEST}
+    {2705950800 7200 0 EET}
+    {2722284000 10800 1 EEST}
+    {2737573200 7200 0 EET}
+    {2753733600 10800 1 EEST}
+    {2769109200 7200 0 EET}
+    {2785183200 10800 1 EEST}
+    {2800645200 7200 0 EET}
+    {2816632800 10800 1 EEST}
+    {2832181200 7200 0 EET}
+    {2848082400 10800 1 EEST}
+    {2863803600 7200 0 EET}
+    {2879532000 10800 1 EEST}
+    {2895339600 7200 0 EET}
+    {2911586400 10800 1 EEST}
+    {2926875600 7200 0 EET}
+    {2943036000 10800 1 EEST}
+    {2958411600 7200 0 EET}
+    {2974485600 10800 1 EEST}
+    {2990034000 7200 0 EET}
+    {3005935200 10800 1 EEST}
+    {3021570000 7200 0 EET}
+    {3037384800 10800 1 EEST}
+    {3053106000 7200 0 EET}
+    {3068834400 10800 1 EEST}
+    {3084642000 7200 0 EET}
+    {3100888800 10800 1 EEST}
+    {3116264400 7200 0 EET}
+    {3132338400 10800 1 EEST}
+    {3147800400 7200 0 EET}
+    {3163788000 10800 1 EEST}
+    {3179336400 7200 0 EET}
+    {3195237600 10800 1 EEST}
+    {3210872400 7200 0 EET}
+    {3226687200 10800 1 EEST}
+    {3242494800 7200 0 EET}
+    {3258741600 10800 1 EEST}
+    {3274030800 7200 0 EET}
+    {3290191200 10800 1 EEST}
+    {3305566800 7200 0 EET}
+    {3321640800 10800 1 EEST}
+    {3337102800 7200 0 EET}
+    {3353090400 10800 1 EEST}
+    {3368725200 7200 0 EET}
+    {3384540000 10800 1 EEST}
+    {3400261200 7200 0 EET}
+    {3415989600 10800 1 EEST}
+    {3431797200 7200 0 EET}
+    {3448044000 10800 1 EEST}
+    {3463333200 7200 0 EET}
+    {3479493600 10800 1 EEST}
+    {3494955600 7200 0 EET}
+    {3510943200 10800 1 EEST}
+    {3526491600 7200 0 EET}
+    {3542392800 10800 1 EEST}
+    {3558027600 7200 0 EET}
+    {3573842400 10800 1 EEST}
+    {3589563600 7200 0 EET}
+    {3605896800 10800 1 EEST}
+    {3621186000 7200 0 EET}
+    {3637346400 10800 1 EEST}
+    {3652722000 7200 0 EET}
+    {3668796000 10800 1 EEST}
+    {3684258000 7200 0 EET}
+    {3700245600 10800 1 EEST}
+    {3715794000 7200 0 EET}
+    {3731695200 10800 1 EEST}
+    {3747416400 7200 0 EET}
+    {3763144800 10800 1 EEST}
+    {3778952400 7200 0 EET}
+    {3795199200 10800 1 EEST}
+    {3810488400 7200 0 EET}
+    {3826648800 10800 1 EEST}
+    {3842024400 7200 0 EET}
+    {3858098400 10800 1 EEST}
+    {3873646800 7200 0 EET}
+    {3889548000 10800 1 EEST}
+    {3905182800 7200 0 EET}
+    {3920997600 10800 1 EEST}
+    {3936718800 7200 0 EET}
+    {3952447200 10800 1 EEST}
+    {3968254800 7200 0 EET}
+    {3984501600 10800 1 EEST}
+    {3999877200 7200 0 EET}
+    {4015951200 10800 1 EEST}
+    {4031413200 7200 0 EET}
+    {4047400800 10800 1 EEST}
+    {4062949200 7200 0 EET}
+    {4078850400 10800 1 EEST}
+    {4094485200 7200 0 EET}
 }
diff --git a/library/tzdata/Asia/Ho_Chi_Minh b/library/tzdata/Asia/Ho_Chi_Minh
new file mode 100644
index 0000000..777c8db
--- /dev/null
+++ b/library/tzdata/Asia/Ho_Chi_Minh
@@ -0,0 +1,9 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Asia/Ho_Chi_Minh) {
+    {-9223372036854775808 25600 0 LMT}
+    {-2005974400 25580 0 SMT}
+    {-1855983920 25200 0 ICT}
+    {-1819954800 28800 0 ICT}
+    {-1220428800 25200 0 ICT}
+}
diff --git a/library/tzdata/Asia/Kolkata b/library/tzdata/Asia/Kolkata
new file mode 100644
index 0000000..a87bf31
--- /dev/null
+++ b/library/tzdata/Asia/Kolkata
@@ -0,0 +1,10 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:Asia/Kolkata) {
+    {-9223372036854775808 21208 0 LMT}
+    {-2840162008 21200 0 HMT}
+    {-891582800 23400 0 BURT}
+    {-872058600 19800 0 IST}
+    {-862637400 23400 1 IST}
+    {-764145000 19800 0 IST}
+}
diff --git a/library/tzdata/Asia/Saigon b/library/tzdata/Asia/Saigon
index f867f0b..1e42eed 100644
--- a/library/tzdata/Asia/Saigon
+++ b/library/tzdata/Asia/Saigon
@@ -1,9 +1,5 @@
 # created by tools/tclZIC.tcl - do not edit
-
-set TZData(:Asia/Saigon) {
-    {-9223372036854775808 25600 0 LMT}
-    {-2005974400 25580 0 SMT}
-    {-1855983920 25200 0 ICT}
-    {-1819954800 28800 0 ICT}
-    {-1220428800 25200 0 ICT}
+if {![info exists TZData(Asia/Ho_Chi_Minh)]} {
+    LoadTimeZoneFile Asia/Ho_Chi_Minh
 }
+set TZData(:Asia/Saigon) $TZData(:Asia/Ho_Chi_Minh)