IST Europe to CAT
Time Difference
Irish Standard Time is 1 hours behind Central Africa Time
2:00 am02:00 in IST is 3:00 am03:00 in CAT
IST to CAT call time
Best time for a conference call or a meeting is between 8am-5pm in IST which corresponds to 9am-6pm in CAT
2:00 am02:00 Irish Standard Time (IST). Offset UTC +1:00 hour
3:00 am03:00 Central Africa Time (CAT). Offset UTC +2:00 hours
2:00 am02:00 IST / 3:00 am03:00 CAT
IST | CAT |
---|---|
12am (midnight) | 1am |
1am | 2am |
2am | 3am |
3am | 4am |
4am | 5am |
5am | 6am |
6am | 7am |
7am | 8am |
8am | 9am |
9am | 10am |
10am | 11am |
11am | 12pm (noon) |
12pm (noon) | 1pm |
1pm | 2pm |
2pm | 3pm |
3pm | 4pm |
4pm | 5pm |
5pm | 6pm |
6pm | 7pm |
7pm | 8pm |
8pm | 9pm |
9pm | 10pm |
10pm | 11pm |
11pm | 12am (midnight) |
0:00 | 1:00 |
1:00 | 2:00 |
2:00 | 3:00 |
3:00 | 4:00 |
4:00 | 5:00 |
5:00 | 6:00 |
6:00 | 7:00 |
7:00 | 8:00 |
8:00 | 9:00 |
9:00 | 10:00 |
10:00 | 11:00 |
11:00 | 12:00 |
12:00 | 13:00 |
13:00 | 14:00 |
14:00 | 15:00 |
15:00 | 16:00 |
16:00 | 17:00 |
17:00 | 18:00 |
18:00 | 19:00 |
19:00 | 20:00 |
20:00 | 21:00 |
21:00 | 22:00 |
22:00 | 23:00 |
23:00 | 0:00 |
Irish Standard Time
Offset: IST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Ireland
Principal Cities: The largest city in the IST timezone is Dublin from Ireland with population about 1.024 million people. Other major cities in the area are Cork, Dun Laoghaire, Luimneach, Gaillimh

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Greenwich Mean Time (GMT).
Start: Irish Standard Time (IST) started on Sunday, March 30, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, March 30, 2025, 2:00 am. Standard time starts annually the on last Sunday of October.
End: Irish Standard Time (IST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 26, 2025, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of March.
IST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for IST
- A - short form of 'Alpha'
- Eire
- Europe/Dublin
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Central Africa Time
Offset: CAT is 2 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries: It is used in following countries: Burundi, Botswana, Congo (Dem. Rep.), Malawi, Mozambique, Namibia, Rwanda, Sudan, South Sudan, Zambia, Zimbabwe
Principal Cities: The largest city in the CAT timezone is Khartoum from Sudan with population about 1.975 million people. Other major cities in the area are Harare, Lubumbashi, Lusaka, Omdurman
Daylight Saving: Central Africa Time (CAT) is not adjusted for daylight saving therefore CAT remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Central Africa Time remains the same

CAT representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for CAT
- B - short form of 'Bravo'
- Africa/Blantyre
- Africa/Bujumbura
- Africa/Gaborone
- Africa/Harare
- Africa/Juba
- Africa/Khartoum
- Africa/Kigali
- Africa/Lubumbashi
- Africa/Lusaka
- Africa/Maputo
- Africa/Windhoek
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time