Iran
IDT
South Korea
KST

Time Difference

IDT (Iran Daylight Time) is 4 hours and 30 minutes behind KST (Korea Standard Time)
8:00 pm20:00 in Tehran, Iran is 12:30 am00:30 in Ulsan, South Korea

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

8:00 pm20:00 IDT (Iran Daylight Time) (Tehran, Iran). Offset UTC +4:30 hours
12:30 am00:30 KST (Korea Standard Time) (Ulsan, South Korea). Offset UTC +9:00 hours

8:00 pm20:00 Tehran, Iran / 12:30 am00:30 Ulsan, South Korea

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

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

Ulsan Information

Time Zone

Abbreviation / Name
KST - Korea Standard Time
UTC / GMT Offset
+9:00 hours during Korea Standard Time, currently in use.

Ulsan Facts

Country
South Korea
Alternative Names
USN, Ul'san, Ulsan, Ulsan-si, Urusan, ulsan, ulsangwang-yeogsi, ulsansi, wei shan, wei shan guang yu shi, Ульсан, 蔚山, 蔚山広域市, 울산, 울산광역시, 울산시
Population
962,865
Currency
Won (KRW)
Geographic Coordinates
35° 32' N Latitude / 129° 19' E Longitude
International Dialing Code
+82