SGT to JST Time Converter

Convert Singapore Time to Japan Standard Time - Quick & Accurate

Singapore (SGT)
Tokyo (JST)
JST is 1 hour ahead of SGT

Quick Time Conversion

Singapore
Singapore Time
UTC+8
Tokyo
Japan Standard Time
UTC+9

Current Time Right Now

Singapore Time (SGT)
Japan Standard Time (JST)

Updates live every second

24-Hour Visual Comparison

SGT (Singapore)
12am SGT
1am SGT
2am SGT
3am SGT
4am SGT
5am SGT
6am SGT
7am SGT
8am SGT
9am SGT
10am SGT
11am SGT
12pm SGT
1pm SGT
2pm SGT
3pm SGT
4pm SGT
5pm SGT
6pm SGT
7pm SGT
8pm SGT
9pm SGT
10pm SGT
11pm SGT
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JST (Tokyo)
1am JST
2am JST
3am JST
4am JST
5am JST
6am JST
7am JST
8am JST
9am JST
10am JST
11am JST
12pm JST
1pm JST
2pm JST
3pm JST
4pm JST
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
12am JST
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between SGT and JST:

Best Window (SGT)
8:00 AM - 5:00 PM
Which is (JST)
9:00 AM - 6:00 PM
Both parties in business hours
9-hour overlap window
Ideal for Singapore-Japan collaboration

Pro Tip: Schedule calls between 9:00 AM - 4:00 PM SGT for maximum overlap with JST business hours

Complete SGT to JST Conversion Table

SGT TimeJST TimeContext
12:00 AM01:00 AM
Midnight Singapore
01:00 AM02:00 AM
Late Night
02:00 AM03:00 AM
Late Night
03:00 AM04:00 AM
Late Night
04:00 AM05:00 AM
Late Night
05:00 AM06:00 AM
Late Night
06:00 AM07:00 AM
Early Morning SGT
07:00 AM08:00 AM
Night Time
08:00 AM09:00 AM
Work Starts SGT
09:00 AM10:00 AM
Meeting Window
10:00 AM11:00 AM
Meeting Window
11:00 AM12:00 PM
Meeting Window

Singapore Time (SGT)

UTC+8
No DST observed
Major Cities:
  • • Singapore
Daylight Saving:

Not observed

IANA Identifier:

Asia/Singapore

Japan Standard Time (JST)

UTC+9
No DST observed
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
Daylight Saving:

Not observed

IANA Identifier:

Asia/Tokyo

Singapore Time (SGT) vs Japan Standard Time (JST)

Singapore Time (SGT)Japan Standard Time (JST)

Singapore Time (SGT) is 8 hours ahead of Coordinated Universal Time (UTC+8). Singapore does not observe Daylight Saving Time, maintaining the same offset year-round.

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe Daylight Saving Time, keeping a consistent offset throughout the year.

Where Is It Used?

  • Singapore: City-state uses SGT nationwide
  • Coverage: Entire country in single time zone
  • Also shares UTC+8 with: Malaysia, Philippines, parts of Indonesia, Hong Kong, Taiwan, China
  • Japan: Entire country uses JST
  • Major Cities: Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Fukuoka, Kobe
  • Coverage: Single time zone for entire nation

Key Facts

  • UTC Offset: UTC+8
  • Region: Southeast Asia
  • Known For: Financial hub, trade, technology
  • Population: Over 5.9 million people
  • Daylight Saving: Not observed
  • Economy: Major global financial center
  • UTC Offset: UTC+9
  • Region: East Asia
  • Known For: Technology, manufacturing, innovation
  • Population: Over 125 million people
  • Daylight Saving: Not observed
  • Economy: Third largest economy in the world

Quick Reference

Time Difference: JST is 1 hour ahead of SGT year-round
Consistency: This difference remains constant as neither observes DST
Distance: Approximately 3,300 miles between Singapore and Tokyo
UTC Offsets: SGT = UTC+8, JST = UTC+9

Frequently Asked Questions

JST (Japan Standard Time) is 1 hour ahead of SGT (Singapore Time). This means when it's 12:00 PM in Singapore (SGT), it's 1:00 PM in Tokyo (JST).

The best time to call from SGT to JST is between 8:00 AM and 5:00 PM SGT, which corresponds to 9:00 AM to 6:00 PM JST. This ensures both parties are within standard business hours.

No, the time difference remains constant at 1 hour. Neither Singapore nor Japan observes Daylight Saving Time, so the offset stays consistent year-round.

SGT is used in Singapore (a city-state). JST cities include Tokyo, Osaka, and Yokohama. Singapore uses a single time zone for the entire country.

Singapore uses UTC+8 (SGT), which aligns with its geographic location and facilitates business with major regional partners like China, Hong Kong, Taiwan, and Malaysia, which also use UTC+8.

Related Time Converters

JST → SGTSGT → UTCJST → UTCSGT → ESTJST → PSTSGT → PSTJST → GMTView All