RET to JST

Réunion Time

Fri Jun, 19, 2026
12:32 PM

Réunion Time (RET)

RET is 4 hours ahead of Universal Time (UTC+4)

Japan Standard Time

Fri Jun, 19, 2026
5:32 PM

Japan Standard Time (JST)

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

RET to JST Time Conversion

When it is 12:00 PM in RET, it is 5:00 PM in JST.

📞The best time to schedule a call is between 9 AM and 12 PM in RET, which is between 2 PM and 5 PM in JST.

Time difference between RET and JST

RET is 5 hours behind JST.

🕐 Add 5 hours to RET time to get JST time.

RET uses 4 hours ahead of Universal Time (UTC+4) and JST uses 9 hours ahead of Universal Time (UTC+9).

RET to JST time conversion chart (24 hours)

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

RET to JST - Frequently Asked Questions

Q

What is the time difference between RET and JST?

A

RET is 5 hours behind JST.

Q

Is RET ahead of or behind JST?

A

RET is behind JST by 5 hours.

Q

When it is 9:00 AM in RET, what time is it in JST?

A

It is 2:00 PM in JST.