Tehran, Iran to CHOST
Time Difference
IST (Iran Standard Time) is 5 hours and 30 minutes behind Choibalsan Summer Time
7:00 pm19:00 in Tehran, Iran is 12:30 am00:30 in CHOST
Tehran to CHOST call time
Best time for a conference call or a meeting is between 8am-12:30pm in Tehran which corresponds to 1:30pm-6pm in CHOST
7:00 pm19:00 IST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
12:30 am00:30 Choibalsan Summer Time (CHOST). Offset UTC +9:00 hours
7:00 pm19:00 Tehran, Iran / 12:30 am00:30 CHOST
| Tehran, Iran | CHOST |
|---|---|
| 12am (midnight) | 5:30 am |
| 1am | 6:30 am |
| 2am | 7:30 am |
| 3am | 8:30 am |
| 4am | 9:30 am |
| 5am | 10:30 am |
| 6am | 11:30 am |
| 7am | 12:30 pm |
| 8am | 1:30 pm |
| 9am | 2:30 pm |
| 10am | 3:30 pm |
| 11am | 4:30 pm |
| 12pm (noon) | 5:30 pm |
| 1pm | 6:30 pm |
| 2pm | 7:30 pm |
| 3pm | 8:30 pm |
| 4pm | 9:30 pm |
| 5pm | 10:30 pm |
| 6pm | 11:30 pm |
| 7pm | 12:30 am |
| 8pm | 1:30 am |
| 9pm | 2:30 am |
| 10pm | 3:30 am |
| 11pm | 4:30 am |
| 0:00 | 5:30 |
| 1:00 | 6:30 |
| 2:00 | 7:30 |
| 3:00 | 8:30 |
| 4:00 | 9:30 |
| 5:00 | 10:30 |
| 6:00 | 11:30 |
| 7:00 | 12:30 |
| 8:00 | 13:30 |
| 9:00 | 14:30 |
| 10:00 | 15:30 |
| 11:00 | 16:30 |
| 12:00 | 17:30 |
| 13:00 | 18:30 |
| 14:00 | 19:30 |
| 15:00 | 20:30 |
| 16:00 | 21:30 |
| 17:00 | 22:30 |
| 18:00 | 23:30 |
| 19:00 | 0:30 |
| 20:00 | 1:30 |
| 21:00 | 2:30 |
| 22:00 | 3:30 |
| 23:00 | 4:30 |
Tehran Information
Time Zone
Abbreviation / Name
IST - Iran Standard Time
IRDT - Iran Daylight Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
+4:30 hours during Iran Daylight Time.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.
Tehran Facts
Country
Iran
Alternative Names
THR, Taekhran, Tahran, Techerane, Teera, Teerao, Teerã, Teerão, Tegeran, Teheran, Teherana, Teheranas, Teherano, Teherán, Teherāna, Tehran, Tehrano, Tekheran, Téhéran, de hei lan, teharan, teharana, tehelan, teheran, tehran, teirani, thran, thrn, thrwn, tihiran, tihran, Τεχεράνη, Тæхран, Тегеран, Техеран, Теҳрон, Թեհրան, טהראן, טהרן, تهران, تهرون, تِهران, تِهِرَن, تہران, طهران, ܛܗܪܐܢ, तेहरान, তেহরান, தெஹ்ரான், เตหะราน, ཏེ་ཧི་རན།, თეირანი, ቴህራን, テヘラン, 德黑兰, 테헤란
Population
7,153,309
Currency
Rial (IRR)
Geographic Coordinates
35° 41' N Latitude / 51° 25' E Longitude
International Dialing Code
+98
Choibalsan Summer Time
Offset: CHOST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
CHOST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +09 - basic short
- +0900 - basic
- +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine 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
- India - Military abbreviation for CHOST
- I - short form of 'India'
Time zones with the GMT +9 offset:
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time