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Time difference between Ottawa and Mumbai

Right now: Ottawa is 9 hours 30 minutes behind Mumbai, so Mumbai is 9 hours 30 minutes ahead of Ottawa.

Ottawa
16:03
Mon, Oct 19 · UTC-04:00
−9h 30m
Mumbai
01:33
Tue, Oct 20 · UTC+05:30

Find a time that works

Compare a specific date and your working hours, then check a weekly meeting for the next six months.

Your comparison at a glance

On 19 Oct 2026: Ottawa is 9 hours 30 minutes behind Mumbai.

Assumptions: Ottawa working hours 09:00–18:00; Mumbai working hours 09:00–18:00; Every day. The comparison date is interpreted in Ottawa.

No working hours overlap on this date. Try another date or adjust either city’s working hours.

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Ottawa working hours
Mumbai working hours

An end time before the start means an overnight shift. Weekdays refer to the day the shift starts. Public holidays are not included.

Weekly meeting settings
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On 19 Oct 2026: Ottawa is 9 hours 30 minutes behind Mumbai.

Best calling windows on 19 Oct 2026

No working hours overlap on this date. Try another date or adjust either city’s working hours.

Hour by hour on 19 Oct 2026

Dates and UTC offsets are shown for both cities. Working-hours labels apply to the start of each slot; check the calling windows above for the full overlap.

OttawaMumbaiWorking hoursCalendar
19 Oct 00:00UTC-04:00 19 Oct 09:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 01:00UTC-04:00 19 Oct 10:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 02:00UTC-04:00 19 Oct 11:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 03:00UTC-04:00 19 Oct 12:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 04:00UTC-04:00 19 Oct 13:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 05:00UTC-04:00 19 Oct 14:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 06:00UTC-04:00 19 Oct 15:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 07:00UTC-04:00 19 Oct 16:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 08:00UTC-04:00 19 Oct 17:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 09:00UTC-04:00 19 Oct 18:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 10:00UTC-04:00 19 Oct 19:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 11:00UTC-04:00 19 Oct 20:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 12:00UTC-04:00 19 Oct 21:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 13:00UTC-04:00 19 Oct 22:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 14:00UTC-04:00 19 Oct 23:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 15:00UTC-04:00 20 Oct 00:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 16:00UTC-04:00 20 Oct 01:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 17:00UTC-04:00 20 Oct 02:30UTC+05:30 One city is off hours Review 30-minute event
19 Oct 18:00UTC-04:00 20 Oct 03:30UTC+05:30 Outside both working days Review 30-minute event
19 Oct 19:00UTC-04:00 20 Oct 04:30UTC+05:30 Outside both working days Review 30-minute event
19 Oct 20:00UTC-04:00 20 Oct 05:30UTC+05:30 Outside both working days Review 30-minute event
19 Oct 21:00UTC-04:00 20 Oct 06:30UTC+05:30 Outside both working days Review 30-minute event
19 Oct 22:00UTC-04:00 20 Oct 07:30UTC+05:30 Outside both working days Review 30-minute event
19 Oct 23:00UTC-04:00 20 Oct 08:30UTC+05:30 Outside both working days Review 30-minute event

Your weekly meeting over six months

Every Monday at 09:00 in Ottawa, starting 19 Oct 2026.

The local time stays fixed in Ottawa. Highlighted rows show when the time or day changes in Mumbai compared with the previous valid meeting. Missing times are skipped. This preview does not create or send invitations.

In this preview, 2 occurrences change local time in Mumbai, and 0 occurrences have no selected instant. Review the dated rows below before sending invitations.

Show 26 weekly dates
OttawaMumbaiWhat to expect
Mon 19 Oct 2026 09:00UTC-04:00 Mon 19 Oct 2026 18:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 26 Oct 2026 09:00UTC-04:00 Mon 26 Oct 2026 18:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 2 Nov 2026 09:00UTC-05:00 Mon 2 Nov 2026 19:30UTC+05:30 Local meeting time changes. Starts outside at least one city’s working hours.
Mon 9 Nov 2026 09:00UTC-05:00 Mon 9 Nov 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 16 Nov 2026 09:00UTC-05:00 Mon 16 Nov 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 23 Nov 2026 09:00UTC-05:00 Mon 23 Nov 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 30 Nov 2026 09:00UTC-05:00 Mon 30 Nov 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 7 Dec 2026 09:00UTC-05:00 Mon 7 Dec 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 14 Dec 2026 09:00UTC-05:00 Mon 14 Dec 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 21 Dec 2026 09:00UTC-05:00 Mon 21 Dec 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 28 Dec 2026 09:00UTC-05:00 Mon 28 Dec 2026 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 4 Jan 2027 09:00UTC-05:00 Mon 4 Jan 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 11 Jan 2027 09:00UTC-05:00 Mon 11 Jan 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 18 Jan 2027 09:00UTC-05:00 Mon 18 Jan 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 25 Jan 2027 09:00UTC-05:00 Mon 25 Jan 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 1 Feb 2027 09:00UTC-05:00 Mon 1 Feb 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 8 Feb 2027 09:00UTC-05:00 Mon 8 Feb 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 15 Feb 2027 09:00UTC-05:00 Mon 15 Feb 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 22 Feb 2027 09:00UTC-05:00 Mon 22 Feb 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 1 Mar 2027 09:00UTC-05:00 Mon 1 Mar 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 8 Mar 2027 09:00UTC-05:00 Mon 8 Mar 2027 19:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 15 Mar 2027 09:00UTC-04:00 Mon 15 Mar 2027 18:30UTC+05:30 Local meeting time changes. Starts outside at least one city’s working hours.
Mon 22 Mar 2027 09:00UTC-04:00 Mon 22 Mar 2027 18:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 29 Mar 2027 09:00UTC-04:00 Mon 29 Mar 2027 18:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 5 Apr 2027 09:00UTC-04:00 Mon 5 Apr 2027 18:30UTC+05:30 Starts outside at least one city’s working hours.
Mon 12 Apr 2027 09:00UTC-04:00 Mon 12 Apr 2027 18:30UTC+05:30 Starts outside at least one city’s working hours.

Future time-zone rules may change. Review the schedule again before the meeting.

Upcoming changes to the time difference

Next time-difference change: 1 Nov 2026. Ottawa is 10 hours 30 minutes behind Mumbai..

DateWhat happensFrom then on
1 Nov 2026 Clocks go back in Ottawa Ottawa is 10 hours 30 minutes behind Mumbai.
14 Mar 2027 Clocks go forward in Ottawa Ottawa is 9 hours 30 minutes behind Mumbai.
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Time zones of these cities

Ottawa time zone Mumbai time zone

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