Ottawa, IL, USA to Tehran, Iran to E to E
Time Difference
CST (Central Standard Time) is 9 hours and 30 minutes behind IST (Iran Standard Time) and 11 hours behind Echo Time Zone and 11 hours behind Echo Time Zone
8:30 am08:30 in Ottawa, IL, USA is 6:00 pm18:00 in Tehran, Iran and is 7:30 pm19:30 in E and is 7:30 pm19:30 in E
Ottawa to Tehran call time
Best time for a conference call or a meeting is between 8am-10am in Ottawa which corresponds to 5:30pm-7:30pm in Tehran
Ottawa to E call time
Best time for a conference call or a meeting is between 7:30am-9:30am in Ottawa which corresponds to 6:30pm-8:30pm in E
Ottawa to E call time
Best time for a conference call or a meeting is between 7:30am-9:30am in Ottawa which corresponds to 6:30pm-8:30pm in E
8:30 am08:30 CST (Central Standard Time) (Ottawa, IL, USA). Offset UTC -6:00 hours
6:00 pm18:00 IST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
7:30 pm19:30 Echo Time Zone (E). Offset UTC +5:00 hours
7:30 pm19:30 Echo Time Zone (E). Offset UTC +5:00 hours
8:30 am08:30 Ottawa, IL, USA / 6:00 pm18:00 Tehran, Iran / 7:30 pm19:30 E / 7:30 pm19:30 E
| Ottawa, IL, USA | Tehran, Iran | E | E |
|---|---|---|---|
| 12am (midnight) | 9:30 am | 11am | 11am |
| 1am | 10:30 am | 12pm (noon) | 12pm (noon) |
| 2am | 11:30 am | 1pm | 1pm |
| 3am | 12:30 pm | 2pm | 2pm |
| 4am | 1:30 pm | 3pm | 3pm |
| 5am | 2:30 pm | 4pm | 4pm |
| 6am | 3:30 pm | 5pm | 5pm |
| 7am | 4:30 pm | 6pm | 6pm |
| 8am | 5:30 pm | 7pm | 7pm |
| 9am | 6:30 pm | 8pm | 8pm |
| 10am | 7:30 pm | 9pm | 9pm |
| 11am | 8:30 pm | 10pm | 10pm |
| 12pm (noon) | 9:30 pm | 11pm | 11pm |
| 1pm | 10:30 pm | 12am (midnight) | 12am (midnight) |
| 2pm | 11:30 pm | 1am | 1am |
| 3pm | 12:30 am | 2am | 2am |
| 4pm | 1:30 am | 3am | 3am |
| 5pm | 2:30 am | 4am | 4am |
| 6pm | 3:30 am | 5am | 5am |
| 7pm | 4:30 am | 6am | 6am |
| 8pm | 5:30 am | 7am | 7am |
| 9pm | 6:30 am | 8am | 8am |
| 10pm | 7:30 am | 9am | 9am |
| 11pm | 8:30 am | 10am | 10am |
| 0:00 | 9:30 | 11:00 | 11:00 |
| 1:00 | 10:30 | 12:00 | 12:00 |
| 2:00 | 11:30 | 13:00 | 13:00 |
| 3:00 | 12:30 | 14:00 | 14:00 |
| 4:00 | 13:30 | 15:00 | 15:00 |
| 5:00 | 14:30 | 16:00 | 16:00 |
| 6:00 | 15:30 | 17:00 | 17:00 |
| 7:00 | 16:30 | 18:00 | 18:00 |
| 8:00 | 17:30 | 19:00 | 19:00 |
| 9:00 | 18:30 | 20:00 | 20:00 |
| 10:00 | 19:30 | 21:00 | 21:00 |
| 11:00 | 20:30 | 22:00 | 22:00 |
| 12:00 | 21:30 | 23:00 | 23:00 |
| 13:00 | 22:30 | 0:00 | 0:00 |
| 14:00 | 23:30 | 1:00 | 1:00 |
| 15:00 | 0:30 | 2:00 | 2:00 |
| 16:00 | 1:30 | 3:00 | 3:00 |
| 17:00 | 2:30 | 4:00 | 4:00 |
| 18:00 | 3:30 | 5:00 | 5:00 |
| 19:00 | 4:30 | 6:00 | 6:00 |
| 20:00 | 5:30 | 7:00 | 7:00 |
| 21:00 | 6:30 | 8:00 | 8:00 |
| 22:00 | 7:30 | 9:00 | 9:00 |
| 23:00 | 8:30 | 10:00 | 10:00 |
Ottawa Information
Time Zone
Abbreviation / Name
CST - Central Standard Time
CDT - Central Daylight Time
CDT - Central Daylight Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.
-5:00 hours during Central Daylight Time.
-5:00 hours during Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Ottawa Facts
Country
USA
State
Illinois
Alternative Names
Otava, Ottava, Ottawa, Ottowa, South Ottawa, atawa aylynwy, awtawa, Отава, Оттава, أوتاوا, اتاوا، ایلینوی, اوٹاوا، الینوائے
Population
18,342
Currency
Dollar (USD)
Geographic Coordinates
41° 20' N Latitude / 88° 50' W Longitude
International Dialing Code
+1
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
Echo Time Zone
Offset: E is 5 hours ahead Greenwich Mean Time (GMT) and is used in Military
E representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +05 - basic short
- +0500 - basic
- +05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
- Echo - Military abbreviation for E
- E - short form of 'Echo'
Time zones with the GMT +5 offset:
- AMST - Armenia Summer Time
- AQTT - Aqtobe Time
- AZST - Azerbaijan Summer Time
- E - Echo Time Zone
- MAWT - Mawson Time
- MVT - Maldives Time
- ORAT - Oral Time
- PKT - Pakistan Standard Time
- TFT - French Southern and Antarctic Time
- TJT - Tajikistan Time
- TMT - Turkmenistan Time
- UZT - Uzbekistan Time
- YEKT - Yekaterinburg Time
- HMT - Heard and McDonald Islands Time
Echo Time Zone
Offset: E is 5 hours ahead Greenwich Mean Time (GMT) and is used in Military
E representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +05 - basic short
- +0500 - basic
- +05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
- Echo - Military abbreviation for E
- E - short form of 'Echo'
Time zones with the GMT +5 offset:
- AMST - Armenia Summer Time
- AQTT - Aqtobe Time
- AZST - Azerbaijan Summer Time
- E - Echo Time Zone
- MAWT - Mawson Time
- MVT - Maldives Time
- ORAT - Oral Time
- PKT - Pakistan Standard Time
- TFT - French Southern and Antarctic Time
- TJT - Tajikistan Time
- TMT - Turkmenistan Time
- UZT - Uzbekistan Time
- YEKT - Yekaterinburg Time
- HMT - Heard and McDonald Islands Time