Illinois, USA
CST
IRST
Iran Standard Time
GMT +3:30

Time Difference

CST (Central Standard Time) is 9 hours and 30 minutes behind Iran Standard Time
12:00 pm12:00 in Calumet City, IL, USA is 9:30 pm21:30 in IRST

Calumet City to IRST call time
Best time for a conference call or a meeting is between 8am-10am in Calumet City which corresponds to 5:30pm-7:30pm in IRST

12:00 pm12:00 CST (Central Standard Time) (Calumet City, IL, USA). Offset UTC -6:00 hours
9:30 pm21:30 Iran Standard Time (IRST). Offset UTC +3:30 hours

12:00 pm12:00 Calumet City, IL, USA / 9:30 pm21:30 IRST

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

Calumet City Information

Time Zone

Abbreviation / Name
CST - Central Standard 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.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am 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
Daylight saving time clock moves back for one hour from 2am to 1am 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.

Calumet City Facts

Country
USA
State
Illinois
Alternative Names
Calumet, Calumet City, Kaljumet Siti, New Hammond, West Hammond, kalwmyt syty, klemeta siti, Калјумет Сити, كالوميت سيتي, کالومی‌سیتی، ایلینوی, کلامے سٹی، الینوائے, क्लेमेट सिटी
Population
37,031
Currency
Dollar (USD)
Geographic Coordinates
41° 36' N Latitude / 87° 31' W Longitude
International Dialing Code
+1

Iran Standard Time

Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

IRST Time Zone Geo Map
IRST timezone map

IRST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0330 - basic
  • +03:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the east of the zero meridian.