UTC to JST Converter

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

Edit time and date on either side to see the conversion instantly.

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From Timezone

UTC

Coordinated Universal Time

Time

Date

Date changes are handled automatically when conversions cross midnight.

To Timezone

JST

Japan Standard Time

Time

Date

Date changes are handled automatically when conversions cross midnight.

Popular Timezone Conversions

CST to EST PST to EST MST to EST GMT to EST JST to EST GST to EST IST to EST EST to GMT

About UTC to JST Conversion

Converting time between UTC and JST requires understanding their time zone offsets and any daylight saving time adjustments. UTC (UTC) operates at UTC+0, while JST (JST) is set to UTC+9. This means JST is 9 hours ahead UTC. For example, when it's 3:15 AM UTC on February 4, 2026, it's 12:15 PM JST in JST. Use this converter to quickly find the equivalent time in JST for any time in UTC, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from UTC

UTC to EST UTC to CST UTC to MST UTC to MDT UTC to PST UTC to AKST UTC to HST UTC to GMT UTC to CET UTC to EET UTC to MSK UTC to IST UTC to CST-CHINA UTC to HKT UTC to SGT UTC to GST UTC to AEST UTC to AWST UTC to NZST UTC to ART UTC to BRT UTC to PHT UTC to BDT UTC to KST UTC to SAST UTC to ICT UTC to EAT UTC to WAT UTC to PKT

Frequently Asked Questions

What is the time difference between UTC and JST?

The time difference between UTC and JST is 9 hours. JST is 9 hours ahead UTC.

Is JST ahead of or behind UTC?

JST is ahead of UTC by 9 hours. When it's 8 AM in UTC, it's 5:00 PM in JST.

How many hours do you add to UTC to get JST?

You add 9 hours to UTC to get JST. For example, 8 AM UTC + 9 hours = 5:00 PM JST.

Does the UTC to JST time difference change during Daylight Saving Time?

No, the time difference between UTC and JST remains constant throughout the year. Neither timezone observes Daylight Saving Time, so the 9-hour difference stays the same.

What is 8 AM UTC in JST?

8 AM UTC is 5:00 PM JST. This conversion accounts for the 9-hour time difference between the two timezones.

Is UTC the same throughout the year when converting to JST?

Yes, the conversion between UTC and JST remains consistent throughout the year. Since neither timezone observes Daylight Saving Time, the 9-hour difference is constant, making conversions predictable and straightforward.

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