Clockjumper

Timezone conversion

Ottawa to IST Time — Convert Ottawa to India Standard Time

IST is currently 9 hours and 30 minutes ahead of Ottawa. The gap shifts across the year: around January IST is 10 hours and 30 minutes ahead of Ottawa, and around July it is 9 hours and 30 minutes ahead of Ottawa, because one or both zones observe daylight saving.

IST is currently 9 hours and 30 minutes ahead of Ottawa.

Ottawa • EDT (UTC-4)
10:33 AM
Thursday, Sep 10
IST • IST (UTC+5:30)
8:03 PM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.

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Full Ottawa to IST conversion table

OttawaIST
12:00 AM9:30 AM
1:00 AM10:30 AM
2:00 AM11:30 AM
3:00 AM12:30 PM
4:00 AM1:30 PM
5:00 AM2:30 PM
6:00 AM3:30 PM
7:00 AM4:30 PM
8:00 AM5:30 PM
9:00 AM6:30 PM
10:00 AM7:30 PM
11:00 AM8:30 PM
12:00 PM9:30 PM
1:00 PM10:30 PM
2:00 PM11:30 PM
3:00 PM12:30 AM(next day)
4:00 PM1:30 AM(next day)
5:00 PM2:30 AM(next day)
6:00 PM3:30 AM(next day)
7:00 PM4:30 AM(next day)
8:00 PM5:30 AM(next day)
9:00 PM6:30 AM(next day)
10:00 PM7:30 AM(next day)
11:00 PM8:30 AM(next day)

Daylight saving and how the gap changes

Around January IST is 10 hours and 30 minutes ahead of Ottawa. Around July it is 9 hours and 30 minutes ahead of Ottawa. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.

Frequently asked questions

Is IST ahead of or behind Ottawa right now?
IST is currently 9 hours and 30 minutes ahead of Ottawa.
What is the current Ottawa to IST time difference?
Right now the gap is 9 hours and 30 minutes — IST is 9 hours and 30 minutes ahead of Ottawa.
Does the Ottawa → IST offset change during the year?
Yes. Around January IST is 10 hours and 30 minutes ahead of Ottawa; around July it is 9 hours and 30 minutes ahead of Ottawa. The converter above always reflects the correct offset for the date you pick.
Does Ottawa observe daylight saving time?
Yes — Ottawa observes DST, so its UTC offset shifts by 1 hour between winter and summer.
Does IST observe daylight saving time?
No — India Standard Time stays at a fixed UTC offset year-round.
What time is 3 AM Ottawa in IST?
3:00 AM Ottawa is 12:30 PM IST.
What time is 8 AM Ottawa in IST?
8:00 AM Ottawa is 5:30 PM IST.
What time is 9 AM Ottawa in IST?
9:00 AM Ottawa is 6:30 PM IST.
What time is 10 AM Ottawa in IST?
10:00 AM Ottawa is 7:30 PM IST.
What time is 11 AM Ottawa in IST?
11:00 AM Ottawa is 8:30 PM IST.
What time is 12 PM (noon) Ottawa in IST?
12:00 PM Ottawa is 9:30 PM IST.
What time is 2 PM Ottawa in IST?
2:00 PM Ottawa is 11:30 PM IST.
What time is 3 PM Ottawa in IST?
3:00 PM Ottawa is 12:30 AM (next day) IST.
What time is 4 PM Ottawa in IST?
4:00 PM Ottawa is 1:30 AM (next day) IST.
What time is 5 PM Ottawa in IST?
5:00 PM Ottawa is 2:30 AM (next day) IST.
What time is 9 PM Ottawa in IST?
9:00 PM Ottawa is 6:30 AM (next day) IST.
What time is 10 PM Ottawa in IST?
10:00 PM Ottawa is 7:30 AM (next day) IST.
When is the best time to schedule a call between Ottawa and IST?
Ottawa and IST have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.
What time zone does Ottawa refer to?
Ottawa uses the America/Toronto time zone.
What time zone does IST refer to?
IST refers to India Standard Time (IANA: Asia/Kolkata).
Is IST on this page the same as other zones that share the letters "IST"?
On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.

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