UTC to JST Time Converter

Convert Coordinated Universal Time (UTC) to Japan Standard Time (JST). Both time zones are shown live below; current offset between them is 9 hours ahead.

UTC · Coordinated Universal Time
20:55:26
Sunday, May 10, 2026
UTC · UTC+00:00
Tokyo · Japan Standard Time
05:55:26
Monday, May 11, 2026
GMT+9 · UTC+09:00

Convert a specific time

From: UTC (UTC)
To: JST (Tokyo)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
JST (Japan Standard Time)
Observes DST
No

When can UTC and JST meet?

00
01
02
03
04
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06
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08
09
10
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12
13
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17
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UTC
JST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–09:00 UTC (17:00–18:00 JST).

Hour-by-hour UTC to JST conversion table

UTC time (UTC)JST time (Tokyo)Status
00:00 Sun09:00 SunJST working
01:00 Sun10:00 SunJST working
02:00 Sun11:00 SunJST working
03:00 Sun12:00 SunJST working
04:00 Sun13:00 SunJST working
05:00 Sun14:00 SunJST working
06:00 Sun15:00 SunJST working
07:00 Sun16:00 SunJST working
08:00 Sun17:00 SunOff-hours both sides
09:00 Sun18:00 SunUTC working
10:00 Sun19:00 SunUTC working
11:00 Sun20:00 SunUTC working
12:00 Sun21:00 SunUTC working
13:00 Sun22:00 SunUTC working
14:00 Sun23:00 SunUTC working
15:00 Sun00:00 MonUTC working
16:00 Sun01:00 MonUTC working
17:00 Sun02:00 MonOff-hours both sides
18:00 Sun03:00 MonOff-hours both sides
19:00 Sun04:00 MonOff-hours both sides
20:00 Sun05:00 MonOff-hours both sides
21:00 Sun06:00 MonOff-hours both sides
22:00 Sun07:00 MonOff-hours both sides
23:00 Sun08:00 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Japan Standard Time (JST)
IANA identifier
Asia/Tokyo
Current UTC offset
UTC+09:00
Current abbreviation
GMT+9
Major cities in this zone
TokyoOsakaKyotoYokohama

Sun today in UTC and Tokyo

Tokyo
Sunrise
04:41
Sunset
18:36
Solar noon
11:39
Daylight
13h 55m

Related converters

JST to UTC (reverse)UTC to ESTUTC to PSTUTC to GMTUTC to CETUTC to ISTEST to JSTPST to JSTGMT to JSTCET to JSTIST to JST
Looking for local time? See time in UTC or time in Tokyo.

Frequently asked questions

What is the time difference between UTC and JST right now?+
JST (Japan Standard Time) is currently 9 hours ahead UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or JST observe daylight saving time?+
UTC: does not observe daylight saving time. JST: does not observe daylight saving time.
When is the best time to schedule a meeting between UTC and JST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–09:00 UTC (17:00–18:00 JST).
What time is it in Tokyo when it is 12:00 noon in UTC?+
When it is 12:00 Sun in UTC (UTC), it is 21:00 Sun in Tokyo (JST).
Which IANA time zone identifiers are used for UTC and JST?+
UTC maps to "UTC" in the IANA database. JST maps to "Asia/Tokyo". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Tokyo?+
Whether UTC (UTC) is ahead of or behind Tokyo (JST) depends on the current UTC offsets. Right now JST is 9 hours ahead UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and JST?+
UTC is UTC+00:00 (UTC) and JST is UTC+09:00 (GMT+9). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both UTC and JST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between UTC and JST is 08:00–09:00 UTC.