Osaka to AST Time

Osaka, Osaka Prefecture, Japan Time

Thu Jul, 02, 2026
11:38 AM

Osaka, Osaka Prefecture, Japan

Osaka time (JST) is 9 hours ahead of Universal Time (UTC+9)

Atlantic Standard Time

Wed Jul, 01, 2026
10:38 PM

Atlantic Standard Time (AST)

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

Osaka to AST Time Conversion

When it is 12:00 PM in Osaka, it is 11:00 PM the previous day in AST.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between Osaka and AST

Osaka is 13 hours ahead of AST.

🕐 Subtract 13 hours from Osaka time to get AST time.

Osaka uses 9 hours ahead of Universal Time (UTC+9) and AST uses 4 hours behind Universal Time (UTC-4).

Osaka to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between Osaka and AST.
Osaka Time AST Time
12 AM Osaka Time ↔ 11 AM AST Time
1 AM Osaka Time ↔ 12 PM AST Time
2 AM Osaka Time ↔ 1 PM AST Time
3 AM Osaka Time ↔ 2 PM AST Time
4 AM Osaka Time ↔ 3 PM AST Time
5 AM Osaka Time ↔ 4 PM AST Time
6 AM Osaka Time ↔ 5 PM AST Time
7 AM Osaka Time ↔ 6 PM AST Time
8 AM Osaka Time ↔ 7 PM AST Time
9 AM Osaka Time ↔ 8 PM AST Time
10 AM Osaka Time ↔ 9 PM AST Time
11 AM Osaka Time ↔ 10 PM AST Time
Osaka Time AST Time
12 PM Osaka Time ↔ 11 PM AST Time
1 PM Osaka Time ↔ 12 AM AST Time
2 PM Osaka Time ↔ 1 AM AST Time
3 PM Osaka Time ↔ 2 AM AST Time
4 PM Osaka Time ↔ 3 AM AST Time
5 PM Osaka Time ↔ 4 AM AST Time
6 PM Osaka Time ↔ 5 AM AST Time
7 PM Osaka Time ↔ 6 AM AST Time
8 PM Osaka Time ↔ 7 AM AST Time
9 PM Osaka Time ↔ 8 AM AST Time
10 PM Osaka Time ↔ 9 AM AST Time
11 PM Osaka Time ↔ 10 AM AST Time

Osaka to AST - Frequently Asked Questions

Q

What is the time difference between Osaka and AST?

A

Osaka is 13 hours ahead of AST.

Q

Is Osaka ahead of or behind AST?

A

Osaka is ahead of AST by 13 hours.

Q

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

A

It is 8:00 PM the previous day in AST.

Convert Osaka Time to Popular Time Zones

Osaka to EST
Osaka to CST
Osaka to PST
Osaka to CET
Osaka to UTC
Osaka to PDT
Osaka to IST
Osaka to MST
Osaka to EDT
Osaka to CDT
Osaka to GMT
Osaka to EET
Osaka to BST
Osaka to AEDT
Osaka to CEST
Osaka to AEST
Osaka to SGT
Osaka to GST
Osaka to EEST
Osaka to ADT
Osaka to AWST
Osaka to CAT
Osaka to CST-CH
Osaka to HKT
Osaka to HST
Osaka to IDT
Osaka to ICT
Osaka to IST-I
Osaka to JST
Osaka to KST
Osaka to MDT
Osaka to MSK
Osaka to NPT
Osaka to SAST
Osaka to PKT
Osaka to EAT
Osaka to ECT
Osaka to CST-CU
Osaka to NZDT
Osaka to NZST
Osaka to MYT
Osaka to BRT
Osaka to AKDT
Osaka to AKST
Osaka to CLT
Osaka to CLST
Osaka to UYT
Osaka to WET

Convert Hourly Time in Osaka to AST

1 am Osaka to AST
2 am Osaka to AST
3 am Osaka to AST
4 am Osaka to AST
5 am Osaka to AST
6 am Osaka to AST
7 am Osaka to AST
8 am Osaka to AST
9 am Osaka to AST
10 am Osaka to AST
11 am Osaka to AST
12 pm Osaka to AST
1 pm Osaka to AST
2 pm Osaka to AST
3 pm Osaka to AST
4 pm Osaka to AST
5 pm Osaka to AST
6 pm Osaka to AST
7 pm Osaka to AST
8 pm Osaka to AST
9 pm Osaka to AST
10 pm Osaka to AST
11 pm Osaka to AST
12 am Osaka to AST

Convert Time in Popular Cities to AST

Shanghai to AST
Istanbul to AST
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