IRDT to MSK Converter
IRDT is not used on this date
This converter uses IRST (GMT +3:30), the offset Tehran uses on this date. Open the IRST converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
IRDT and MSK examples
These examples always use IRDT (UTC+4:30) and MSK (UTC+3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IRDT is 1 hour and 30 minutes ahead of MSK.
How the time difference changes
IRST is 30 minutes ahead of MSK year-round.
Working hours of 9:00 am to 5:00 pm in IRST correspond to 8:30 am to 4:30 pm in MSK.
Compare IRDT time with MSK time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 0 hours and 30 minutes ahead of Moscow Standard Time
3:30 pm15:30 in IRST is 3:00 pm15:00 in MSK
IRST to MSK call time
Best time for a conference call or a meeting is between 9:30am-5pm in IRST which corresponds to 9am-4:30pm in MSK
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
3:00 pm15:00 Moscow Standard Time (MSK). Offset UTC +3:00 hours
3:30 pm15:30 IRST / 3:00 pm15:00 MSK
| IRST | MSK |
|---|---|
| 12am (midnight) | 11:30 pm |
| 1am | 12:30 am |
| 2am | 1:30 am |
| 3am | 2:30 am |
| 4am | 3:30 am |
| 5am | 4:30 am |
| 6am | 5:30 am |
| 7am | 6:30 am |
| 8am | 7:30 am |
| 9am | 8:30 am |
| 10am | 9:30 am |
| 11am | 10:30 am |
| 12pm (noon) | 11:30 am |
| 1pm | 12:30 pm |
| 2pm | 1:30 pm |
| 3pm | 2:30 pm |
| 4pm | 3:30 pm |
| 5pm | 4:30 pm |
| 6pm | 5:30 pm |
| 7pm | 6:30 pm |
| 8pm | 7:30 pm |
| 9pm | 8:30 pm |
| 10pm | 9:30 pm |
| 11pm | 10:30 pm |
| 00:00 | 23:30 |
| 01:00 | 00:30 |
| 02:00 | 01:30 |
| 03:00 | 02:30 |
| 04:00 | 03:30 |
| 05:00 | 04:30 |
| 06:00 | 05:30 |
| 07:00 | 06:30 |
| 08:00 | 07:30 |
| 09:00 | 08:30 |
| 10:00 | 09:30 |
| 11:00 | 10:30 |
| 12:00 | 11:30 |
| 13:00 | 12:30 |
| 14:00 | 13:30 |
| 15:00 | 14:30 |
| 16:00 | 15:30 |
| 17:00 | 16:30 |
| 18:00 | 17:30 |
| 19:00 | 18:30 |
| 20:00 | 19:30 |
| 21:00 | 20:30 |
| 22:00 | 21:30 |
| 23:00 | 22:30 |
Iran Daylight Time
Offset: IRDT is 4 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

IRDT representations, usage and related time zones
- +0430 - basic
- +04:30 - extended
- +0430 - sign character (+) followed by a four digit time providing hours (04) and minutes (30) of the offset. Indicates an offset of four hours and thirty minutes to the east of the zero meridian.
- AFT - Afghanistan Time
- IRDT - Iran Daylight Time
Moscow Standard Time
Offset: MSK is 3 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Russia, Ukraine
Principal Cities: The largest city in the MSK time zone is Moscow in Russia, with about 10.381 million people. Other major cities in this time zone include Saint Petersburg, Nizhniy Novgorod, Kazan, Rostov na Donu.
Daylight Saving: Clocks in Moscow Standard Time (MSK) do not change for daylight saving time, so MSK stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

MSK representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for MSK
- C - short form of 'Charlie'
- Europe/Kirov
- Europe/Moscow
- Europe/Simferopol
- Europe/Volgograd
- W-SU
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
