Korea Standard Time
KST means UTC+09:00 throughout the year.
TIME ZONE CONVERTER
Sydney to KST
Time Converter
Convert Sydney, Australia to Korea Standard Time. Compare dates, seasonal differences and meeting hours.
Sydney is 1h or 2h ahead of KST in 2026, depending on the date.
9 AM Sydney = 7 AM KST
Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVSydney to KST conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| Sydney | KST |
|---|---|
| 12:00 AM | 10:00 PM -1 day |
| 1:00 AM | 11:00 PM -1 day |
| 2:00 AM | 12:00 AM |
| 3:00 AM | 1:00 AM |
| 4:00 AM | 2:00 AM |
| 5:00 AM | 3:00 AM |
| 6:00 AM | 4:00 AM |
| 7:00 AM | 5:00 AM |
| 8:00 AM | 6:00 AM |
| 9:00 AM | 7:00 AM |
| 10:00 AM | 8:00 AM |
| 11:00 AM | 9:00 AM |
| Sydney | KST |
|---|---|
| 12:00 PM | 10:00 AM |
| 1:00 PM | 11:00 AM |
| 2:00 PM | 12:00 PM |
| 3:00 PM | 1:00 PM |
| 4:00 PM | 2:00 PM |
| 5:00 PM | 3:00 PM |
| 6:00 PM | 4:00 PM |
| 7:00 PM | 5:00 PM |
| 8:00 PM | 6:00 PM |
| 9:00 PM | 7:00 PM |
| 10:00 PM | 8:00 PM |
| 11:00 PM | 9:00 PM |
Starting with the KST working day
These examples start on 2026-11-04 in KST.
09:00 KST11:00 →Sydney · 2026-11-04
17:00 KST19:00 →Sydney · 2026-11-04
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Sydney to KST throughout 2026
Keeping 09:00 on the Sydney clock produces 2 different destination clock/date answers in 2026. The ranges below use Sydney calendar dates, including transition days.
| Dates in Sydney · 2026 | KST answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Apr 494 dates | 07:00Same date | UTC+11:00 → UTC+09:00 | |
| Apr 5 – Oct 3182 dates | 08:00Same date | UTC+10:00 → UTC+09:00 | |
| Oct 4 – Dec 3189 dates | 07:00Same date | UTC+11:00 → 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 Sydney time become a different date in KST?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
Sydney · 2026-11-0400:00–02:00UTC+11:00
KST · 2026-11-0322:00–24:00UTC+09:00 Previous day
Sydney · 2026-11-0402:00–24:00UTC+11:00
KST · 2026-11-0400:00–22:00UTC+09:00 Same date
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 Sydney throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−2h
−1h
−2h
Sydney changes its UTC offset in 2026. KST is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | KST vs Sydney |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 4 Apr 2026, 16:00 UTC | 2h behind |
| 4 Apr 2026, 16:00 UTC | 3 Oct 2026, 16:00 UTC | 1h behind |
| 3 Oct 2026, 16:00 UTC | 1 Jan 2027, 00:00 UTC | 2h behind |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has KST 2h behind relative to Sydney. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with Sydney |
|---|---|---|
| 4 Apr 2026, 16:00 UTC | 3 Oct 2026, 16:00 UTC | 1h behind |
PLAN BEYOND A SINGLE DAY
Daily CSVSydney–KST working hours through 2026
Every date calculated with your working windows. 261 selected Sydney workdays; public holidays are not applied.
Least shared time6h
Most common6h
Most shared time7h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in Sydney 11:00–16:00.
These starts fit both working windows on every selected Sydney workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
Sydney: 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
Sydney to KST: useful answers
Why is the Sydney to KST difference sometimes 1 hour and sometimes 2 hours?
Sydney is 1h or 2h ahead of KST in 2026, depending on the date. Sydney changes its UTC offset in 2026. KST is a fixed offset.
Does the Sydney–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 Sydney on 2026-11-04 is 07:00 in KST on 2026-11-04. This selected time stays on the same date in both places. Other times can cross midnight.
Can Sydney and KST meet during working hours?
Your selected working windows share 6h on 2026-11-04. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology