The short answer
8am in India Standard Time is 3:30am in Greenwich Mean Time.
India Standard Time is 4 hours 30 minutes ahead of Greenwich Mean Time. It lands deep outside working hours in Greenwich Mean Time — see the best time to meet below for a friendlier slot.
India Standard Time☀
8am
Greenwich Mean Time☾
3:30am
Right now
11:59amIST · UTC+05:30 · Thu, Jun 11
7:29amBST · UTC+01:00 · Thu, Jun 11
Read across to convert
India Standard Time
IST · UTC+05:30
Greenwich Mean Time
BST · UTC+01:00
Pinned8amIndia Standard Time=3:30amGreenwich Mean Time
12amThu
7:30pmWed ·−1d
1am
8:30pmWed ·−1d
2am
9:30pmWed ·−1d
3am
10:30pmWed ·−1d
4am
11:30pmWed ·−1d
5am
12:30amThu
6am
1:30am
7am
2:30am
PINNED
8am
3:30am
9am
WORK4:30am
10am
WORK5:30am
NOW
11am
WORK6:30am
12pm
WORK7:30am
1pm
WORK8:30am
2pm
WORK9:30am
WORK3pm
WORK10:30am
WORK4pm
WORK11:30am
WORK5pm
12:30pm
WORK6pm
1:30pm
WORK7pm
2:30pm
WORK8pm
3:30pm
WORK9pm
4:30pm
WORK10pm
5:30pm
11pm
6:30pm
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
India Standard Time
2pm–5pm
Greenwich Mean Time
9:30am–12:30pm
Popular conversions
Quick reference.
9amIndia Standard Time=4:30amGreenwich Mean Time
12pmIndia Standard Time=7:30amGreenwich Mean Time
3pmIndia Standard Time=10:30amGreenwich Mean Time
5pmIndia Standard Time=12:30pmGreenwich Mean Time
9pmIndia Standard Time=4:30pmGreenwich Mean Time
In context
What each side covers.
India Standard Time
11:59amIST · UTC+05:30
Greenwich Mean Time
7:29amBST · UTC+01:00
Cities on this clock
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
11:29pm
India Standard Time
11:59am
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
2:29am
Central European Time
8:29am
Eastern Time to Central Europe6 hours behind
India Standard Time
11:59am
Eastern Standard Time
2:29am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
7:29am
India Standard Time
11:59am
London to India4 hours 30 minutes behind
Pacific Standard Time
11:29pm
Eastern Standard Time
2:29am
Pacific to Eastern Time3 hours behind
Central European Time
8:29am
India Standard Time
11:59am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between India Standard Time and Greenwich Mean Time. Can't find what you need? Email [email protected].
- What is the time difference between India Standard Time and Greenwich Mean Time?
- India Standard Time is 4 hours 30 minutes ahead of Greenwich Mean 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 8am in India Standard Time, what time is it in Greenwich Mean Time?
- 8am in India Standard Time is 3:30am in Greenwich Mean Time. It lands deep outside working hours in Greenwich Mean 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 India Standard Time and Greenwich Mean Time?
- 2pm–5pm in India Standard Time lines up with 9:30am–12:30pm in Greenwich Mean 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 — IST and BST — 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.