Convert Iran Standard Time to Korea Standard Time
Instantly convert Iran Standard Time (IRST) to Korea Standard Time (KST) with our free online calculator.
Iran Standard Time
08:50:49 AM
Wed, Jun 24 (IRST)
Korea Standard Time
02:20:49 PM
Wed, Jun 24 (KST)
Convert a Specific Time
24-Hour Comparison
| IRST | KST |
|---|---|
| 12:00 AM | 5.5:00 AM |
| 1:00 AM | 6.5:00 AM |
| 2:00 AM | 7.5:00 AM |
| 3:00 AM | 8.5:00 AM |
| 4:00 AM | 9.5:00 AM |
| 5:00 AM | 10.5:00 AM |
| 6:00 AM | 11.5:00 AM |
| 7:00 AM | 0.5:00 PM |
| 8:00 AM | 1.5:00 PM |
| 9:00 AM | 2.5:00 PM |
| 10:00 AM | 3.5:00 PM |
| 11:00 AM | 4.5:00 PM |
| 12:00 PM | 5.5:00 PM |
| 1:00 PM | 6.5:00 PM |
| 2:00 PM | 7.5:00 PM |
| 3:00 PM | 8.5:00 PM |
| 4:00 PM | 9.5:00 PM |
| 5:00 PM | 10.5:00 PM |
| 6:00 PM | 11.5:00 PM |
| 7:00 PM | 0.5:00 AM(+1d) |
| 8:00 PM | 1.5:00 AM(+1d) |
| 9:00 PM | 2.5:00 AM(+1d) |
| 10:00 PM | 3.5:00 AM(+1d) |
| 11:00 PM | 4.5:00 AM(+1d) |
How to Convert Iran Standard Time to Korea Standard Time
Formula
To convert Iran Standard Time (IRST) to Korea Standard Time (KST): Convert IRST to KST
About Iran Standard Time (IRST)
Iran Standard Time (IRST, IANA: Asia/Tehran) is the civil time of the Islamic Republic of Iran, set at UTC+3:30 — one of the world's few 30-minute-offset time zones. IRST observes Daylight Saving Time (switching to IRDT = UTC+4:30) from the last Wednesday of the Iranian month of Farvardin (~March 22) to the last Wednesday of Shahrivar (~September 22) per Iranian government calendar (the country abolished DST in 2022 then partially reinstated it for energy savings — the schedule is subject to change by Iranian Parliament Majlis decree). The 30-minute offset is preserved because Iran's central meridian is approximately 52.5°E, between UTC+3 and UTC+4 standard zones, and the Iranian Solar Hijri calendar has its own astronomical traditions for time-keeping. IRST serves approximately 88 million Iranian people across 31 provinces. Major cities: Tehran (8.7M city, 13M metro — capital), Mashhad (3.1M), Isfahan (2.2M), Karaj (1.6M), Shiraz (1.6M), Tabriz (1.6M), Qom (1.2M). Other 30/45-minute offset zones: India (UTC+5:30), Nepal (UTC+5:45), Myanmar (UTC+6:30), Newfoundland (UTC-3:30), Afghanistan (UTC+4:30), Marquesas (UTC-9:30). Affects: Tehran Stock Exchange (TSE) trading, Iranian Solar Hijri New Year Nowruz celebrations.
About Korea Standard Time (KST)
Korea Standard Time (KST, IANA: Asia/Seoul) is the civil time of both the Republic of Korea (South Korea) and the Democratic People's Republic of Korea (North Korea — since May 2018 when North Korea reverted to KST from its briefly used Pyongyang Time UTC+8:30 of 2015-2018), set at UTC+9:00 year-round (no DST). South Korea observed Daylight Saving Time briefly in 1948-1951 and again 1987-1988 during the Seoul Olympics (to facilitate evening TV broadcasts to North America), but discontinued it both times. KST is identical in offset to Japan Standard Time (JST), Yakutsk Time, Western Indonesian Time WIT (eastern Indonesia), and Palau Time (PWT) — creating a 'business-friendly' Northeast Asia zone of synchronized financial centers (Seoul-Tokyo). KST serves the Korean Peninsula's approximately 78 million residents (South Korea 52M + North Korea 26M). Major KST cities: Seoul (9.7M city, 25.7M metro — South Korean capital and the world's 5th-largest metro), Busan (3.3M — South Korea's 2nd-largest city + main port), Incheon (3M — Seoul Capital Area, location of Incheon International Airport ICN), Daegu (2.4M), Daejeon (1.5M), Pyongyang (3.2M — North Korean capital), Hamhung (770K — North Korea), Nampo (980K — North Korea). Affects: KRX (Korea Exchange) trading hours, K-pop industry music-release timing, Samsung + LG + Hyundai global headquarters operations.