The short answer

Guam is 4 hours 30 minutes ahead of India Standard Time.

Guam
12:14:25am
ChST · UTC+10:00 · Fri, Jun 26
India Standard Time
7:44:25pm
IST · UTC+05:30 · Thu, Jun 25
Read across to convert
Guam
ChST · UTC+10:00
12:14am ☾
India Standard Time
IST · UTC+05:30
7:44pm ☾
Click any row to pin that hour across both zones.
NOW
12amFri
7:30pmThu ·−1d
1am
8:30pmThu ·−1d
2am
9:30pmThu ·−1d
3am
10:30pmThu ·−1d
4am
11:30pmThu ·−1d
5am
12:30amFri
6am
1:30am
7am
2:30am
8am
3:30am
9am
WORK
4:30am
10am
WORK
5:30am
11am
WORK
6:30am
12pm
WORK
7:30am
1pm
WORK
8:30am
2pm
WORK
9:30am
WORK
3pm
WORK
10:30am
WORK
4pm
WORK
11:30am
WORK
5pm
12:30pm
WORK
6pm
1:30pm
WORK
7pm
2:30pm
WORK
8pm
3:30pm
WORK
9pm
4:30pm
WORK
10pm
5:30pm
11pm
6:30pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Guam
2pm–5pm
=
India Standard Time
9:30am–12:30pm
Popular conversions

Quick reference.

9amGuam=4:30amIndia Standard Time
12pmGuam=7:30amIndia Standard Time
3pmGuam=10:30amIndia Standard Time
5pmGuam=12:30pmIndia Standard Time
9pmGuam=4:30pmIndia Standard Time
In context

What each side covers.

Guam
ChST · UTC+10:00
12:14am
Cities on this clock
India Standard Time
IST · UTC+05:30
7:44pm
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.

Frequently asked

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

What is the time difference between Guam and India Standard Time?
Guam is 4 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 9am in Guam, what time is it in India Standard Time?
9am in Guam is 4:30am in India Standard Time. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
What's the best time for a call between Guam and India Standard Time?
2pm–5pm in Guam lines up with 9:30am–12:30pm in India 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 — ChST 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.