IRDT to D Converter
IRDT
Iran Daylight Time
GMT +4:30
D
Delta Time Zone
GMT +4
Time Difference
Iran Daylight Time is 0 hours and 30 minutes ahead of Delta Time Zone
4:00 pm16:00 in IRDT is 3:30 pm15:30 in D
IRDT to D call time
Best time for a conference call or a meeting is between 8:30am-6pm in IRDT which corresponds to 8am-5:30pm in D
4:00 pm16:00 Iran Daylight Time (IRDT). Offset UTC +4:30 hours
3:30 pm15:30 Delta Time Zone (D). Offset UTC +4:00 hours
4:00 pm16:00 IRDT / 3:30 pm15:30 D
IRDT | D |
---|---|
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 |
0:00 | 23:30 |
1:00 | 0:30 |
2:00 | 1:30 |
3:00 | 2:30 |
4:00 | 3:30 |
5:00 | 4:30 |
6:00 | 5:30 |
7:00 | 6:30 |
8:00 | 7:30 |
9:00 | 8:30 |
10:00 | 9:30 |
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
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0430 - basic
- +04:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0430 - sign character (+) followed by a four digit time providing hours (04) and minutes (30) of the offset. Indicates four hour and thirty minutes time differences to the east of the zero meridian.
Time zones with the GMT +4:30 offset:
- AFT - Afghanistan Time
- IRDT - Iran Daylight Time
Delta Time Zone
Offset: D is 4 hours ahead Greenwich Mean Time (GMT) and is used in Military
D representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +04 - basic short
- +0400 - basic
- +04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Delta - Military abbreviation for D
- D - short form of 'Delta'
Time zones with the GMT +4 offset:
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time