AT Time to IST Time Converter
Warning! IST has automatically switched to GMT
AT stands for Atlantic Time (in use)
IST stands for Irish Standard Time (NOT in use)
GMT stands for Greenwich Mean Time (in use)
Atlantic Time(AT) | Greenwich Mean Time(GMT) |
00:00 | 04:00 |
01:00 | 05:00 |
02:00 | 06:00 |
03:00 | 07:00 |
04:00 | 08:00 |
05:00 | 09:00 |
06:00 | 10:00 |
07:00 | 11:00 |
08:00 | 12:00 |
09:00 | 13:00 |
10:00 | 14:00 |
11:00 | 15:00 |
12:00 | 16:00 |
13:00 | 17:00 |
14:00 | 18:00 |
15:00 | 19:00 |
16:00 | 20:00 |
17:00 | 21:00 |
18:00 | 22:00 |
19:00 | 23:00 |
20:00 | 00:00+1 day |
21:00 | 01:00+1 day |
22:00 | 02:00+1 day |
23:00 | 03:00+1 day |
AT(Atlantic Time)
Atlantic Time(AT) is 04:00 hours behind Coordinated Universal(UTC) Time.
Typical City of AT (Atlantic Time)
Canada - HalifaxBermuda - Hamilton
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)