The short answer
12am in Tonga is 4:30pm in India Standard Time on the previous day.
Tonga is 7 hours 30 minutes ahead of India Standard Time. It falls outside the 9-to-5 in Tonga but lands inside working hours in India Standard Time.
Tonga☾
12am
India Standard Time☀
4:30pm
previous day
Right now
10:57am+13:00 · UTC+13:00 · Thu, Jun 25
3:27amIST · UTC+05:30 · Thu, Jun 25
Read across to convert
Tonga
+13:00 · UTC+13:00
India Standard Time
IST · UTC+05:30
Pinned12amTonga=4:30pmIndia Standard Time · Wed (previous day)
PINNED
12amThu
4:30pmWed ·−1d
WORK1am
5:30pmWed ·−1d
2am
6:30pmWed ·−1d
3am
7:30pmWed ·−1d
4am
8:30pmWed ·−1d
5am
9:30pmWed ·−1d
6am
10:30pmWed ·−1d
7am
11:30pmWed ·−1d
8am
12:30amThu
9am
WORK1:30am
NOW
10am
WORK2:30am
11am
WORK3:30am
12pm
WORK4:30am
1pm
WORK5:30am
2pm
WORK6:30am
3pm
WORK7:30am
4pm
WORK8:30am
5pm
9:30am
WORK6pm
10:30am
WORK7pm
11:30am
WORK8pm
12:30pm
WORK9pm
1:30pm
WORK10pm
2:30pm
WORK11pm
3:30pm
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Tonga
3pm–7pm
India Standard Time
7:30am–11:30am
Popular conversions
Quick reference.
9amTonga=1:30amIndia Standard Time
12pmTonga=4:30amIndia Standard Time
3pmTonga=7:30amIndia Standard Time
5pmTonga=9:30amIndia Standard Time
9pmTonga=1:30pmIndia Standard Time
In context
What each side covers.
Tonga
10:57am+13:00 · UTC+13:00
Cities on this clock
India Standard Time
3:27amIST · UTC+05:30
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.
Related converters
Other popular pairs.
Pacific Time
2:57pm
India Standard Time
3:27am
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
5:57pm
Central European Time
11:57pm
Eastern Time to Central Europe6 hours behind
India Standard Time
3:27am
Eastern Standard Time
5:57pm
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
10:57pm
India Standard Time
3:27am
London to India4 hours 30 minutes behind
Pacific Standard Time
2:57pm
Eastern Standard Time
5:57pm
Pacific to Eastern Time3 hours behind
Central European Time
11:57pm
India Standard Time
3:27am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Tonga and India Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between Tonga and India Standard Time?
- Tonga is 7 hours 30 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 12am in Tonga, what time is it in India Standard Time?
- 12am in Tonga is 4:30pm in India Standard Time on the previous day. It falls outside the 9-to-5 in Tonga but lands inside working hours in India Standard Time. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Tonga and India Standard Time?
- There's no comfortable 9-to-5 overlap between Tonga 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 — +13:00 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.