Korea Standard Time
KST means UTC+09:00 throughout the year.
TIME ZONE CONVERTER
Warsaw to KST
Time Converter
Convert Warsaw, Poland to Korea Standard Time. Compare dates, seasonal differences and meeting hours.
Warsaw is 7h or 8h behind KST in 2026, depending on the date.
9 AM Warsaw = 5 PM KST
Selected date: November 10, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVWarsaw to KST conversion table
November 10, 2026 · Date changes are marked.
View the full 24-hour table
| Warsaw | KST |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| Warsaw | KST |
|---|---|
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM +1 day |
| 5:00 PM | 1:00 AM +1 day |
| 6:00 PM | 2:00 AM +1 day |
| 7:00 PM | 3:00 AM +1 day |
| 8:00 PM | 4:00 AM +1 day |
| 9:00 PM | 5:00 AM +1 day |
| 10:00 PM | 6:00 AM +1 day |
| 11:00 PM | 7:00 AM +1 day |
Starting with the KST working day
These examples start on 2026-11-10 in KST.
09:00 KST01:00 →Warsaw · 2026-11-10
17:00 KST09:00 →Warsaw · 2026-11-10
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Warsaw to KST throughout 2026
Keeping 09:00 on the Warsaw clock produces 2 different destination clock/date answers in 2026. The ranges below use Warsaw calendar dates, including transition days.
| Dates in Warsaw · 2026 | KST answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 2887 dates | 17:00Same date | UTC+01:00 → UTC+09:00 | |
| Mar 29 – Oct 24210 dates | 16:00Same date | UTC+02:00 → UTC+09:00 | |
| Oct 25 – Dec 3168 dates | 17:00Same date | UTC+01:00 → UTC+09:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does Warsaw time become a different date in KST?
Your complete source day: 2026-11-10. Each range shows which destination date to use.
Warsaw · 2026-11-1000:00–16:00UTC+01:00
KST · 2026-11-1008:00–24:00UTC+09:00 Same date
Warsaw · 2026-11-1016:00–24:00UTC+01:00
KST · 2026-11-1100:00–08:00UTC+09:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How KST compares with Warsaw throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+8h
+7h
+8h
Warsaw changes its UTC offset in 2026. KST is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | KST vs Warsaw |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 29 Mar 2026, 01:00 UTC | 8h ahead |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 7h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Jan 2027, 00:00 UTC | 8h ahead |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has KST 7h ahead relative to Warsaw. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with Warsaw |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 29 Mar 2026, 01:00 UTC | 8h ahead |
| 25 Oct 2026, 01:00 UTC | 1 Jan 2027, 00:00 UTC | 8h ahead |
PLAN BEYOND A SINGLE DAY
Daily CSVWarsaw–KST working hours through 2026
Every date calculated with your working windows. 261 selected Warsaw workdays; public holidays are not applied.
Least shared time0h
Most common1h
Most shared time1h
Days without a 60-min slot111 / 261
One fixed start time does not fit every working day.
111 selected host workdays cannot fit the complete meeting. Adjust working days, hours or duration above, or use different seasonal meeting times.
Warsaw: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. KST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
Warsaw to KST: useful answers
Why is the Warsaw to KST difference sometimes 7 hours and sometimes 8 hours?
Warsaw is 7h or 8h behind KST in 2026, depending on the date. Warsaw changes its UTC offset in 2026. KST is a fixed offset.
Does the Warsaw–KST time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in Warsaw on 2026-11-10 is 17:00 in KST on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Can Warsaw and KST meet during working hours?
Your selected working windows have no shared time on 2026-11-10. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology