Calgary, Canada to Tehran, Iran
Compare Calgary time with Tehran time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
MST (Mountain Standard Time) is 10 hours and 30 minutes behind IRST (Iran Standard Time)
5:00 am05:00 in Calgary, Canada is 3:30 pm15:30 in Tehran, Iran
Calgary to Tehran call time
Best time for a conference call or a meeting is between 7:30am-8:30am in Calgary which corresponds to 6pm-7pm in Tehran
5:00 am05:00 MST (Mountain Standard Time) (Calgary, Canada). Offset UTC -7:00 hours
3:30 pm15:30 IRST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
5:00 am05:00 Calgary, Canada / 3:30 pm15:30 Tehran, Iran
| Calgary, Canada | Tehran, Iran |
|---|---|
| 12am (midnight) | 10:30 am |
| 1am | 11:30 am |
| 2am | 12:30 pm |
| 3am | 1:30 pm |
| 4am | 2:30 pm |
| 5am | 3:30 pm |
| 6am | 4:30 pm |
| 7am | 5:30 pm |
| 8am | 6:30 pm |
| 9am | 7:30 pm |
| 10am | 8:30 pm |
| 11am | 9:30 pm |
| 12pm (noon) | 10:30 pm |
| 1pm | 11:30 pm |
| 2pm | 12:30 am |
| 3pm | 1:30 am |
| 4pm | 2:30 am |
| 5pm | 3:30 am |
| 6pm | 4:30 am |
| 7pm | 5:30 am |
| 8pm | 6:30 am |
| 9pm | 7:30 am |
| 10pm | 8:30 am |
| 11pm | 9:30 am |
| 00:00 | 10:30 |
| 01:00 | 11:30 |
| 02:00 | 12:30 |
| 03:00 | 13:30 |
| 04:00 | 14:30 |
| 05:00 | 15:30 |
| 06:00 | 16:30 |
| 07:00 | 17:30 |
| 08:00 | 18:30 |
| 09:00 | 19:30 |
| 10:00 | 20:30 |
| 11:00 | 21:30 |
| 12:00 | 22:30 |
| 13:00 | 23:30 |
| 14:00 | 00:30 |
| 15:00 | 01:30 |
| 16:00 | 02:30 |
| 17:00 | 03:30 |
| 18:00 | 04:30 |
| 19:00 | 05:30 |
| 20:00 | 06:30 |
| 21:00 | 07:30 |
| 22:00 | 08:30 |
| 23:00 | 09:30 |
Calgary Information
Time Zone
Abbreviation / Name
MDT - Mountain Daylight Time
MST - Mountain Standard Time
MST - Mountain Standard Time
UTC / GMT Offset
-6:00 hours during Mountain Daylight Time, currently in use.
-7:00 hours during Mountain Standard Time.
-7:00 hours during Mountain Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.Daylight Saving Time Ends
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.Calgary Facts
Country
Canada
Alternative Names
Calgaria, Calgary, Kalgari, Kalgario, Kalgaris, Kalgary, Kalnkari, Kalqari, Kelgery, YYC, ka er jia li, ka jia li, kaelgeoli, kailagari, kalgari, kalghary, kalgry, kalkari, karugari, kelgari, klgry, kyalgari, kylgry, qlgry, Κάλγκαρι, Калгари, Калгары, Калгарі, Կալգարի, קלגרי, كالغاري, کالگری, کلگری, کیلگری, कॅल्गारी, कैलगरी, ਕੈਲਗਰੀ, கால்கரி, కాల్గరీ, ಕ್ಯಾಲ್ಗರಿ, แคลกะรี, ကယ်လ်ဂရီမြို့, კალგარი, カルガリー, 卡加利, 卡尔加里, 캘거리
Population
1,019,942
Currency
Dollar (CAD)
Geographic Coordinates
51° 03' N Latitude / 114° 05' W Longitude
International Dialing Code
+1
Tehran Information
Time Zone
Abbreviation / Name
IRST - Iran Standard Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
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