Iran
IDT
China
CST

Time Difference

IDT (Iran Daylight Time) is 3 hours and 30 minutes behind CST (China Standard Time)
11:00 am11:00 in Tehran, Iran is 2:30 pm14:30 in Haikou, China

Tehran to Haikou call time
Best time for a conference call or a meeting is between 8am-2:30pm in Tehran which corresponds to 11:30am-6pm in Haikou

11:00 am11:00 IDT (Iran Daylight Time) (Tehran, Iran). Offset UTC +4:30 hours
2:30 pm14:30 CST (China Standard Time) (Haikou, China). Offset UTC +8:00 hours

11:00 am11:00 Tehran, Iran / 2:30 pm14:30 Haikou, China

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

Tehran Information

Time Zone

Abbreviation / Name
IDT - Iran Daylight Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+4:30 hours during Iran Daylight Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
0:00 hours - 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

Haikou Information

Time Zone

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

Haikou Facts

Country
China
Alternative Names
Chaj-kchou, HAK, Ha k'uo-shih, Ha k’uo-shih, Hai Khau, Hai-k'ou-shih, Hai-k'ou-so-ch'eng, Hai-kau, Hai-khau-chhi, Hai-k’ou-shih, Hai-k’ou-so-ch’eng, Haijgouj, Haik-how, Haikou, Haikou Shi, Haikow, Hajkou, Hajkouo, Hajkoŭo, Heihow, Hoi Hao, Hoihau, Hoihow, Hái-kháu-chhī, Hāi-kāu, Hải Khẩu, Khajkou, Xeyko shehir, ha'iko'u, hai kou, hai kou shi, haikeou si, haykw, Хайкоу, Хајкоу, هايكو, هایکو, ہائکو, ہائیکؤ, हाइकोऊ, ཧའེ་ཁོའུ་གྲོང་ཁྱེར།, ဟိုင်းခိုမြို့, 海口, 海口市, 하이커우 시
Population
615,835
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
20° 02' N Latitude / 110° 20' E Longitude
International Dialing Code
+86