Hamhung to CAST Time Converter
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Quick answers
Selected conversion
9:00 pm21:00 KST (UTC+9), Oct 17, 2026 = 8:00 pm20:00 CAST (UTC+8), Oct 17, 2026
Hamhŭng is 1 hour ahead of CAST.
How the time difference changes
Hamhung is 1 hour ahead of CAST year-round.
Working hours of 9:00 am to 6:00 pm in Hamhung correspond to 8:00 am to 5:00 pm in CAST.Working hours of 09:00 to 18:00 in Hamhung correspond to 08:00 to 17:00 in CAST.
Compare Hamhung time with CAST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
KST (Korea Standard Time) is 1 hour ahead of Casey Time.
9:00 pm21:00 in Hamhung, North Korea is 8:00 pm20:00 in CAST
Hamhŭng to CAST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Hamhŭng which corresponds to 9am-5pm09:00-17:00 in CAST
9:00 pm21:00 KST (Korea Standard Time) (Hamhung, North Korea). Offset UTC +9:00 hours
8:00 pm20:00 Casey Time (CAST). Offset UTC +8:00 hours
9:00 pm21:00 Hamhung, North Korea / 8:00 pm20:00 CAST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| Hamhung, North Korea | CAST |
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Hamhŭng Time Zone and Facts
Time Zone
Hamhŭng Facts
Casey Time
Offset: CAST is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica
Daylight Saving: Clocks in Casey Time (CAST) do not change for daylight saving time, so CAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
CAST representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for CAST
- H - short form of 'Hotel'
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time