What is the time difference between JST and NPT?

Nepal Time (NPT) is 3 hours and 15 minutes behind Japan Standard Time (JST). JST uses a UTC offset of UTC+9, while NPT uses UTC+5:45. For example, when it's 9:00 AM in JST, it's 5:45 AM in NPT. This difference remains constant year-round since neither timezone observes daylight saving time. Use the conversion table above to see the exact time for each hour of the day.

How do I convert JST to NPT?

To convert JST to NPT, subtract 3 hours and 15 minutes from the JST time. For example, 9:00 AM JST is 5:45 AM NPT, and 5:00 PM JST is 1:45 PM NPT. Since neither timezone observes DST, this conversion stays the same all year. You can also use the interactive converter above for quick, accurate results.

What time is it in NPT when it's noon in JST?

When it's 12:00 PM (noon) in JST, it's 8:45 AM in NPT. This is because NPT is 3 hours and 15 minutes behind JST. Similarly, when it's 6:00 PM in JST, it's 2:45 PM in NPT. This relationship is constant throughout the year. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours behind is NPT from JST?

NPT is 3 hours and 15 minutes behind JST. This means when it's 9:00 AM in JST, it's 5:45 AM in NPT, and when it's midnight in JST, it's 8:45 PM in NPT. This offset is constant throughout the year since neither timezone uses daylight saving time. The conversion table above provides a complete hour-by-hour mapping.

Is NPT ahead or behind JST?

NPT is behind JST by 3 hours and 15 minutes. Clocks in NPT show an earlier time than JST, meaning the day starts later in NPT relative to JST. For example, when it's noon in JST, it's still 8:45 AM in NPT. This difference stays the same year-round.

Does JST observe daylight saving time?

No, Japan Standard Time does not observe daylight saving time. The UTC offset of UTC+9 remains the same year-round, making time conversions from JST more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

Does NPT observe daylight saving time?

No, Nepal Time does not observe daylight saving time. The UTC offset of UTC+5:45 remains the same year-round, which simplifies time conversions. Regions using NPT keep their clocks unchanged regardless of the season.

What is the best time to call from JST to NPT?

The best time for a call between JST and NPT is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in NPT during their work day, call between 12:15 PM and 8:15 PM your JST time. Avoid calling too early or late, as the 3 hours and 15 minutes difference means your evening could be their early morning. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

Do JST and NPT ever have the same time?

No, JST and NPT are always 3 hours and 15 minutes apart and never display the same clock time simultaneously. Neither timezone observes DST, so the difference is constant year-round with no seasonal variation. The 3 hours and 15 minutes offset is determined by their fixed positions relative to the Prime Meridian (UTC). You can always rely on this consistent difference when planning across these timezones.

JST to NPT Converter

Convert Japan Standard Time to Nepal Time. See the hour-by-hour conversion table below.

Timezone Details

Japan Standard Time

2:12 AM

Friday, April 3, 2026

JST (UTC+09:00)

Kathmandu

10:57 PM

Thursday, April 2, 2026

Kathmandu (UTC+05:45)

Difference: -3h 15m

JST DST: No

24-Hour Overview

JST — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

Kathmandu — 24-hour overview

8p8p

10p

11p11p

12a

2a2a

5a5a

8a8a

10a

11a11a

12p

2p2p

5p5p

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

NPT to JST EST to JST JST to EST PST to JST JST to PST GMT to JST JST to GMT IST to JST JST to IST

Cities in These Timezones

JST Cities

Tokyo Osaka Fukuoka

NPT Cities

Kathmandu

More Tools

Compare JST & NPT Plan a Meeting (JST & NPT)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

Japan Standard Time on Wikipedia IANA Time Zone Database