IST Europe to AZOST Converter
Quick answers
Selected conversion
1:00 pm13:00 IST (UTC+1), Oct 6, 2026 = 12:00 pm12:00 AZOST (UTC+0), Oct 6, 2026
IST is 1 hour ahead of AZOST.
IST and AZOST examples
These examples always use IST (UTC+1) and AZOST (UTC+0). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 1 hour ahead of AZOST.
How the time difference changes
For most of the year, IST Europe is 1 hour ahead of AZOST. At other times of the year, GMT Europe is 1 hour ahead of AZOT.
For most of the year, working hours of 9:00 am to 5:00 pm in IST Europe correspond to 8:00 am to 4:00 pm in AZOST. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT Europe correspond to 8:00 am to 4:00 pm in AZOT.For most of the year, working hours of 09:00 to 17:00 in IST Europe correspond to 08:00 to 16:00 in AZOST. At other times of the year, working hours of 09:00 to 17:00 in GMT Europe correspond to 08:00 to 16:00 in AZOT.
Compare IST time with AZOST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Irish Standard Time is 1 hour ahead of Azores Summer Time.
1:00 pm13:00 in IST is 12:00 pm12:00 in AZOST
IST to AZOST call time
Best time for a conference call or a meeting is between 10am-5pm10:00-17:00 in IST which corresponds to 9am-4pm09:00-16:00 in AZOST
1:00 pm13:00 Irish Standard Time (IST). Offset UTC +1:00 hour
12:00 pm12:00 Azores Summer Time (AZOST). Offset UTC 0:00 hours
1:00 pm13:00 IST / 12:00 pm12:00 AZOST
| IST | AZOST |
|---|---|
| 12:00am | 11:00pm |
| 1:00am | 12:00am |
| 2:00am | 1:00am |
| 3:00am | 2:00am |
| 4:00am | 3:00am |
| 5:00am | 4:00am |
| 6:00am | 5:00am |
| 7:00am | 6:00am |
| 8:00am | 7:00am |
| 9:00am | 8:00am |
| 10:00am | 9:00am |
| 11:00am | 10:00am |
| 12:00pm | 11:00am |
| 1:00pm | 12:00pm |
| 2:00pm | 1:00pm |
| 3:00pm | 2:00pm |
| 4:00pm | 3:00pm |
| 5:00pm | 4:00pm |
| 6:00pm | 5:00pm |
| 7:00pm | 6:00pm |
| 8:00pm | 7:00pm |
| 9:00pm | 8:00pm |
| 10:00pm | 9:00pm |
| 11:00pm | 10:00pm |
| 00:00 | 23:00 |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Irish Standard Time
Offset: IST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Ireland
Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Luimneach, Gaillimh, Dun Laoghaire.
Daylight Saving: Irish Standard Time (IST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: Irish Standard Time (IST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: Irish Standard Time (IST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
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 an offset of one hour 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
Azores Summer Time
Offset: AZOST is 0 hours ahead Greenwich Mean Time (GMT) and is used in Atlantic
Countries using this time zone: Portugal
Principal Cities: The largest city in the AZOST time zone is Ponta Delgada in Portugal, with about 20,056 people.
Daylight Saving: Azores Summer Time (AZOST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Azores Time (AZOT).
Start: Azores Summer Time (AZOST) started on Sunday, March 29, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 1:00 am01:00. Daylight saving starts annually on the last Sunday of March.
End: Azores Summer Time (AZOST) ends on Sunday, October 25, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
AZOST representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for AZOST
- Z - short form of 'Zulu'
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone