South Korea
KST
Iran
IST
E
Echo Time Zone
GMT +5
E
Echo Time Zone
GMT +5

Time Difference

KST (Korea Standard Time) is 5 hours and 30 minutes ahead of IST (Iran Standard Time) and 4 hours ahead of Echo Time Zone and 4 hours ahead of Echo Time Zone
7:30 pm19:30 in Osan, South Korea is 2:00 pm14:00 in Tehran, Iran and is 3:30 pm15:30 in E and is 3:30 pm15:30 in E

Osan to Tehran call time
Best time for a conference call or a meeting is between 1:30pm-6pm in Osan which corresponds to 8am-12:30pm in Tehran
Osan to E call time
Best time for a conference call or a meeting is between 12pm-6pm in Osan which corresponds to 8am-2pm in E
Osan to E call time
Best time for a conference call or a meeting is between 12pm-6pm in Osan which corresponds to 8am-2pm in E

7:30 pm19:30 KST (Korea Standard Time) (Osan, South Korea). Offset UTC +9:00 hours
2:00 pm14:00 IST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
3:30 pm15:30 Echo Time Zone (E). Offset UTC +5:00 hours
3:30 pm15:30 Echo Time Zone (E). Offset UTC +5:00 hours

7:30 pm19:30 Osan, South Korea / 2:00 pm14:00 Tehran, Iran / 3:30 pm15:30 E / 3:30 pm15:30 E

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

Osan Information

Time Zone

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

Osan Facts

Country
South Korea
Alternative Names
OSN, Osan, Osan-ni, Usan', Usan-ri, Vu-san-su, Vû-sân-sṳ, awsan, osan, osansi, wu shan shi, xo san, Осан, Усань, اوسان, โอซัน, 烏山市, 오산, 오산시
Population
158,978
Currency
Won (KRW)
Geographic Coordinates
37° 09' N Latitude / 127° 04' E Longitude
International Dialing Code
+82

Tehran 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.

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

Echo Time Zone

Offset: E is 5 hours ahead Greenwich Mean Time (GMT) and is used in Military

E representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +05 - basic short
  • +0500 - basic
  • +05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for E
  • E - short form of 'Echo'
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time

Echo Time Zone

Offset: E is 5 hours ahead Greenwich Mean Time (GMT) and is used in Military

E representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +05 - basic short
  • +0500 - basic
  • +05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0500 - sign character (+) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for E
  • E - short form of 'Echo'
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time