Illinois, USA
CST
Iran
IST

Time Difference

CST (Central Standard Time) is 9 hours and 30 minutes behind IST (Iran Standard Time)
10:00 am10:00 in Round Lake Beach, IL, USA is 7:30 pm19:30 in Hamadan, Iran

Round Lake Beach to Hamadan call time
Best time for a conference call or a meeting is between 8am-10am in Round Lake Beach which corresponds to 5:30pm-7:30pm in Hamadan

10:00 am10:00 CST (Central Standard Time) (Round Lake Beach, IL, USA). Offset UTC -6:00 hours
7:30 pm19:30 IST (Iran Standard Time) (Hamadan, Iran). Offset UTC +3:30 hours

10:00 am10:00 Round Lake Beach, IL, USA / 7:30 pm19:30 Hamadan, Iran

Round Lake Beach, IL, USA Hamadan, Iran
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

Round Lake Beach 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.

Round Lake Beach Facts

Country
USA
State
Illinois
Population
27,852
Currency
Dollar (USD)
Geographic Coordinates
42° 22' N Latitude / 88° 05' W Longitude
International Dialing Code
+1

Hamadan 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.

Hamadan Facts

Country
Iran
Alternative Names
Ecbatana, HDM, Hamadan, Hamadān, Hamedan, Hamedān, Khamadan, hmdan, Хамадан, همدان
Population
528,256
Currency
Rial (IRR)
Geographic Coordinates
34° 47' N Latitude / 48° 30' E Longitude
International Dialing Code
+98