The short answer

3am in Chatham Standard Time is 7:45pm in India Standard Time on the previous day.

Chatham Standard Time is 7 hours 15 minutes ahead of India Standard Time. That's already evening in India Standard Time, after the typical working day ends.

Chatham Standard Time☾
3am
India Standard Time☾
7:45pm
previous day
Right now
11:42am+12:45 · UTC+12:45 · Thu, Jun 25
4:27amIST · UTC+05:30 · Thu, Jun 25
Read across to convert
Chatham Standard Time
+12:45 · UTC+12:45
11:42am ☀
India Standard Time
IST · UTC+05:30
4:27am ☾
Pinned3amChatham Standard Time=7:45pmIndia Standard Time · Wed (previous day)
12amThu
4:45pmWed ·−1d
WORK
1am
5:45pmWed ·−1d
2am
6:45pmWed ·−1d
PINNED
3am
7:45pmWed ·−1d
4am
8:45pmWed ·−1d
5am
9:45pmWed ·−1d
6am
10:45pmWed ·−1d
7am
11:45pmWed ·−1d
8am
12:45amThu
9am
WORK
1:45am
10am
WORK
2:45am
NOW
11am
WORK
3:45am
12pm
WORK
4:45am
1pm
WORK
5:45am
2pm
WORK
6:45am
3pm
WORK
7:45am
4pm
WORK
8:45am
5pm
9:45am
WORK
6pm
10:45am
WORK
7pm
11:45am
WORK
8pm
12:45pm
WORK
9pm
1:45pm
WORK
10pm
2:45pm
WORK
11pm
3:45pm
WORK
daylightnightworking hoursoverlap
Convert a specific time12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
Best time to meet
Closest workable window
Just outside the working window — early on one side, late on the other.
Chatham Standard Time
3pm–7pm
=
India Standard Time
7:45am–11:45am
Popular conversions

Quick reference.

9amChatham Standard Time=1:45amIndia Standard Time
12pmChatham Standard Time=4:45amIndia Standard Time
3pmChatham Standard Time=7:45amIndia Standard Time
5pmChatham Standard Time=9:45amIndia Standard Time
9pmChatham Standard Time=1:45pmIndia Standard Time
In context

What each side covers.

Chatham Standard Time
+12:45 · UTC+12:45
11:42am

Chatham Standard Time

India Standard Time
IST · UTC+05:30
4:27am
Cities on this clock
New DelhiDelhiMumbaiBengaluru
Did you mean…? “IST” is shared by several places. This page shows India Standard Time (India) — or switch to Israel Standard Time · Irish Standard Time.

Frequently asked

Quick answers about converting between Chatham Standard Time and India Standard Time. Can't find what you need? Email [email protected].

What is the time difference between Chatham Standard Time and India Standard Time?
Chatham Standard Time is 7 hours 15 minutes ahead of India 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 3am in Chatham Standard Time, what time is it in India Standard Time?
3am in Chatham Standard Time is 7:45pm in India Standard Time on the previous day. That's already evening in India Standard Time, after the typical working day ends. 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 India Standard Time?
There's no comfortable 9-to-5 overlap between Chatham Standard Time and India Standard Time — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
Does this account for daylight saving time?
Yes. We track every clock change in both places, so the abbreviations you see — +12:45 and IST — 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.