IST Time to AST Time Converter
Warning! IST has automatically switched to GMT
IST stands for Irish Standard Time (NOT in use)
GMT stands for Greenwich Mean Time (in use)
AST stands for Atlantic Standard Time (in use)
Greenwich Mean Time(GMT) | Atlantic Standard Time(AST) |
00:00 | 20:00-1 day |
01:00 | 21:00-1 day |
02:00 | 22:00-1 day |
03:00 | 23:00-1 day |
04:00 | 00:00 |
05:00 | 01:00 |
06:00 | 02:00 |
07:00 | 03:00 |
08:00 | 04:00 |
09:00 | 05:00 |
10:00 | 06:00 |
11:00 | 07:00 |
12:00 | 08:00 |
13:00 | 09:00 |
14:00 | 10:00 |
15:00 | 11:00 |
16:00 | 12:00 |
17:00 | 13:00 |
18:00 | 14:00 |
19:00 | 15:00 |
20:00 | 16:00 |
21:00 | 17:00 |
22:00 | 18:00 |
23:00 | 19:00 |
GMT(Greenwich Mean Time)
Greenwich Mean Time(GMT) has no offset from Coordinated Universal(UTC) Time.
Typical City of GMT (Greenwich Mean Time)
United Kingdom - London (Winter)
Iceland - Reykjavik (All Year)
Sierra Leone - Freetown (All Year)
Greenland - Danmarkshavn (All Year)
Antarctica - Troll Station (Summer)
AST(Atlantic Standard Time)
Atlantic Standard Time(AST) is 04:00 hours behind Coordinated Universal(UTC) Time.This timezone is used during standard time in: North America
Typical City of AST (Atlantic Standard Time)
Canada - Halifax (Winter)
Canada - Blanc-Sablon (All Year)
Bermuda - Hamilton (Winter)
Dominican Republic - Santo Domingo (All Year)
Sint Maarten - Philipsburg (All Year)