The short answer
2am in Chatham Standard Time is 10:15pm in Japan Standard Time on the previous day.
Chatham Standard Time is 3 hours 45 minutes ahead of Japan Standard Time. It lands deep outside working hours in Japan Standard Time — see the best time to meet below for a friendlier slot.
Chatham Standard Time☾
2am
Japan Standard Time☾
10:15pm
previous day
Right now
9:12am+12:45 · UTC+12:45 · Thu, Jun 25
5:27amJST · UTC+09:00 · Thu, Jun 25
Read across to convert
Chatham Standard Time
+12:45 · UTC+12:45
Japan Standard Time
JST · UTC+09:00
Pinned2amChatham Standard Time=10:15pmJapan Standard Time · Wed (previous day)
12amThu
8:15pmWed ·−1d
1am
9:15pmWed ·−1d
PINNED
2am
10:15pmWed ·−1d
3am
11:15pmWed ·−1d
4am
12:15amThu
5am
1:15am
6am
2:15am
7am
3:15am
8am
4:15am
NOW
9am
WORK5:15am
10am
WORK6:15am
11am
WORK7:15am
12pm
WORK8:15am
1pm
WORK9:15am
WORK2pm
WORK10:15am
WORK3pm
WORK11:15am
WORK4pm
WORK12:15pm
WORK5pm
1:15pm
WORK6pm
2:15pm
WORK7pm
3:15pm
WORK8pm
4:15pm
WORK9pm
5:15pm
10pm
6:15pm
11pm
7:15pm
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Chatham Standard Time
1pm–5pm
Japan Standard Time
9:15am–1:15pm
Popular conversions
Quick reference.
9amChatham Standard Time=5:15amJapan Standard Time
12pmChatham Standard Time=8:15amJapan Standard Time
3pmChatham Standard Time=11:15amJapan Standard Time
5pmChatham Standard Time=1:15pmJapan Standard Time
9pmChatham Standard Time=5:15pmJapan Standard Time
In context
What each side covers.
Chatham Standard Time
9:12am+12:45 · UTC+12:45
Chatham Standard Time
Japan Standard Time
5:27amJST · UTC+09:00
Related converters
Other popular pairs.
Pacific Time
1:27pm
India Standard Time
1:57am
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
4:27pm
Central European Time
10:27pm
Eastern Time to Central Europe6 hours behind
India Standard Time
1:57am
Eastern Standard Time
4:27pm
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
9:27pm
India Standard Time
1:57am
London to India4 hours 30 minutes behind
Pacific Standard Time
1:27pm
Eastern Standard Time
4:27pm
Pacific to Eastern Time3 hours behind
Central European Time
10:27pm
India Standard Time
1:57am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Chatham Standard Time and Japan Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between Chatham Standard Time and Japan Standard Time?
- Chatham Standard Time is 3 hours 45 minutes ahead of Japan Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 2am in Chatham Standard Time, what time is it in Japan Standard Time?
- 2am in Chatham Standard Time is 10:15pm in Japan Standard Time on the previous day. It lands deep outside working hours in Japan Standard Time — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Chatham Standard Time and Japan Standard Time?
- 1pm–5pm in Chatham Standard Time lines up with 9:15am–1:15pm in Japan Standard Time — both sides are inside a 9-to-5 working day.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — +12:45 and JST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.