WorldCityTime

Thunder Bay to AST Time

Current time difference, live clocks, best time to call and 24-hour conversion chart.

Live Clocks

Thunder Bay

12:47 AM

Wednesday Aug, 26, 2026

EDT is 4 hours behind Universal Time (UTC-4)

Thunder Bay, Ontario, Canada Eastern Daylight Time

AST

12:47 AM

Wednesday Aug, 26, 2026

AST is 4 hours behind Universal Time (UTC-4)

Atlantic Standard Time

12 AM6 AM12 PM6 PM11 PM

Thunder Bay: 9 AM → AST: 2 PM

Good time to call — both cities are in working hours.

Time difference between Thunder Bay and AST

Thunder Bay and AST have the same time.

Thunder Bay to AST Time Conversion

When it is 12:00 PM in Thunder Bay, it is 12:00 PM in AST.

The best time to schedule a call is between 9 AM and 5 PM in Thunder Bay, which is between 9 AM and 5 PM in AST.

Thunder Bay to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours - the best time to schedule a call between Thunder Bay and AST.

☼ The sun marks hours when it is daylight in that city.

Thunder Bay Time		AST Time
12 AM Thunder Bay Time	↔	12 AM AST Time
1 AM Thunder Bay Time	↔	1 AM AST Time
2 AM Thunder Bay Time	↔	2 AM AST Time
3 AM Thunder Bay Time	↔	3 AM AST Time
4 AM Thunder Bay Time	↔	4 AM AST Time
5 AM Thunder Bay Time	↔	5 AM AST Time
6 AM Thunder Bay Time	↔	6 AM AST Time
7 AM Thunder Bay Time	↔	7 AM AST Time
☼8 AM Thunder Bay Time	↔	8 AM AST Time
☼9 AM Thunder Bay Time	↔	9 AM AST Time
☼10 AM Thunder Bay Time	↔	10 AM AST Time
☼11 AM Thunder Bay Time	↔	11 AM AST Time

Thunder Bay Time		AST Time
☼12 PM Thunder Bay Time	↔	12 PM AST Time
☼1 PM Thunder Bay Time	↔	1 PM AST Time
☼2 PM Thunder Bay Time	↔	2 PM AST Time
☼3 PM Thunder Bay Time	↔	3 PM AST Time
☼4 PM Thunder Bay Time	↔	4 PM AST Time
☼5 PM Thunder Bay Time	↔	5 PM AST Time
☼6 PM Thunder Bay Time	↔	6 PM AST Time
☼7 PM Thunder Bay Time	↔	7 PM AST Time
8 PM Thunder Bay Time	↔	8 PM AST Time
9 PM Thunder Bay Time	↔	9 PM AST Time
10 PM Thunder Bay Time	↔	10 PM AST Time
11 PM Thunder Bay Time	↔	11 PM AST Time

Thunder Bay to AST - Frequently Asked Questions

What is the time difference between Thunder Bay and AST?

Thunder Bay and AST are in the same time zone, so there is no time difference. Note: AST is not currently in effect - Halifax is on ADT (UTC-3:00) right now.

Is Thunder Bay ahead of or behind AST?

Thunder Bay and AST are in the same time zone.

When it is 9:00 AM in Thunder Bay, what time is it in AST?

It is 9:00 AM in AST.

Quick Facts

Thunder Bay zoneEDT

AST zoneAST

DifferenceNone

Convert Thunder Bay Time to Popular Cities

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Convert Popular Cities to AST

Shanghai to AST Istanbul to AST Beijing to AST Moscow to AST São Paulo to AST Seoul to AST Jakarta to AST Tokyo to AST Mexico City to AST London to AST