China
CST
Iran
IST

Time Difference

CST (China Standard Time) is 4 hours and 30 minutes ahead of IST (Iran Standard Time)
10:30 am10:30 in Tianchang, China is 6:00 am06:00 in Karaj, Iran

Tianchang to Karaj call time
Best time for a conference call or a meeting is between 12:30pm-6pm in Tianchang which corresponds to 8am-1:30pm in Karaj

10:30 am10:30 CST (China Standard Time) (Tianchang, China). Offset UTC +8:00 hours
6:00 am06:00 IST (Iran Standard Time) (Karaj, Iran). Offset UTC +3:30 hours

10:30 am10:30 Tianchang, China / 6:00 am06:00 Karaj, Iran

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

Tianchang Information

Time Zone

Abbreviation / Name
CST - China Standard Time
UTC / GMT Offset
+8:00 hours during China Standard Time, currently in use.

Tianchang Facts

Country
China
Alternative Names
Ching-ching, Ching-hsing, Ching-hsing-hsien, Ching-nan, Chiu-ching-hsing, Jingnan, Jingxing, Jiujingxing, Tianchang, Tianchang Zhen, Tsingsinghsien
Population
61,292
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
37° 59' N Latitude / 114° 00' E Longitude
International Dialing Code
+86

Karaj 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.

Karaj Facts

Country
Iran
Alternative Names
Heredi, Karadj, Karadje, Karadsch, Karadz, Karadzs, Karadż, Karadž, Karag, Karaj, Karatz, Karaĝ, Karej, Kerec, Keredi, Keredzas, Keredzh, Keredžas, Kerezh, Kərəc, Leredi, PYK, QKC, Qasabeh-e Karaj, Qaşabeh-e Karaj, ka la ji, kairaija, kalaji, karaj, karaji, kha rac, krj, kyaraji, qasabihi karaj, Καράτζ, Карай, Караџ, Караҷ, Кередж, Кереж, כאראג, قَصَبِهِ كَرَج, كرج, کرج, کەرەج, कैरैज, கராஜ், คาราจ, ქარაჯი, キャラジ, 卡拉季, 카라지
Population
1,448,075
Currency
Rial (IRR)
Geographic Coordinates
35° 49' N Latitude / 50° 59' E Longitude
International Dialing Code
+98