Iran
IST
BTT
Bhutan Time
GMT +6

Time Difference

IST (Iran Standard Time) is 2 hours and 30 minutes behind Bhutan Time
8:00 pm20:00 in Tehran, Iran is 10:30 pm22:30 in BTT

Tehran to BTT call time
Best time for a conference call or a meeting is between 8am-3:30pm in Tehran which corresponds to 10:30am-6pm in BTT

8:00 pm20:00 IST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
10:30 pm22:30 Bhutan Time (BTT). Offset UTC +6:00 hours

8:00 pm20:00 Tehran, Iran / 10:30 pm22:30 BTT

Tehran, Iran BTT
12am (midnight) 2:30 am
1am 3:30 am
2am 4:30 am
3am 5:30 am
4am 6:30 am
5am 7:30 am
6am 8:30 am
7am 9:30 am
8am 10:30 am
9am 11:30 am
10am 12:30 pm
11am 1:30 pm
12pm (noon) 2:30 pm
1pm 3:30 pm
2pm 4:30 pm
3pm 5:30 pm
4pm 6:30 pm
5pm 7:30 pm
6pm 8:30 pm
7pm 9:30 pm
8pm 10:30 pm
9pm 11:30 pm
10pm 12:30 am
11pm 1:30 am
0:00 2:30
1:00 3:30
2:00 4:30
3:00 5:30
4:00 6:30
5:00 7:30
6:00 8:30
7:00 9:30
8:00 10:30
9:00 11:30
10:00 12:30
11:00 13:30
12:00 14:30
13:00 15:30
14:00 16:30
15:00 17:30
16:00 18:30
17:00 19:30
18:00 20:30
19:00 21:30
20:00 22:30
21:00 23:30
22:00 0:30
23:00 1:30

Tehran Information

Time Zone

Abbreviation / Name
IST - Iran Standard 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.
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

Bhutan Time

Offset: BTT is 6 hours ahead Greenwich Mean Time (GMT) and is used in Asia

BTT Time Zone Geo Map
BTT timezone map

BTT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +06 - basic short
  • +0600 - basic
  • +06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0600 - sign character (+) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
  • Foxtrot - Military abbreviation for BTT
  • F - short form of 'Foxtrot'
Time zones with the GMT +6 offset:
  • ALMT - Alma-Ata Time
  • BST - Bangladesh Standard Time
  • BDT - Bangladesh Time
  • BTT - Bhutan Time
  • F - Foxtrot Time Zone
  • IOT - Indian Chagos Time
  • KGT - Kyrgyzstan Time
  • OMST - Omsk Standard Time
  • QYZT - Qyzylorda Time
  • XJT - Xinjiang Time
  • YEKST - Yekaterinburg Summer Time