Italy
CET
12am
3am
6am
9am
12pm
3pm
6pm
9pm
JST
Japan Standard Time
GMT +9
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare Rome time with JST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CET (Central European Time) is 8 hours behind Japan Standard Time
1:00 pm13:00 in Rome, Italy is 9:00 pm21:00 in JST

Rome to JST call time
Best time for a conference call or a meeting is between 8:30am-9:30am in Rome which corresponds to 4:30pm-5:30pm in JST

1:00 pm13:00 CET (Central European Time) (Rome, Italy). Offset UTC +1:00 hour
9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours

1:00 pm13:00 Rome, Italy / 9:00 pm21:00 JST

Rome, ItalyJST
12am (midnight)8am
1am9am
2am10am
3am11am
4am12pm (noon)
5am1pm
6am2pm
7am3pm
8am4pm
9am5pm
10am6pm
11am7pm
12pm (noon)8pm
1pm9pm
2pm10pm
3pm11pm
4pm12am (midnight)
5pm1am
6pm2am
7pm3am
8pm4am
9pm5am
10pm6am
11pm7am
00:0008:00
01:0009:00
02:0010:00
03:0011:00
04:0012:00
05:0013:00
06:0014:00
07:0015:00
08:0016:00
09:0017:00
10:0018:00
11:0019:00
12:0020:00
13:0021:00
14:0022:00
15:0023:00
16:0000:00
17:0001:00
18:0002:00
19:0003:00
20:0004:00
21:0005:00
22:0006:00
23:0007:00

Rome Information

Time Zone

Abbreviation / Name
CEST - Central European Summer Time
CET - Central European Standard Time
UTC / GMT Offset
+2:00 hours during Central European Summer Time, currently in use.
+1:00 hours during Central European Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, March 29, 2026 at 2:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2amSunday, October 25, 2026 at 3:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Rome Facts

Country
Italy
Alternative Names
An Roimh, An Ròimh, An Róimh, Erroma, Hrom, Lungsod ng Roma, Mji wa Roma, ROM, Ramma, Rhufain, Rim, Rim, Roeme, Rom, Roma, Rome, Romma, Romo, Romë, Rooma, Roum, Rym, Rzym, Råmma, Rím, Róm, Róma, Urbs, loma, luo ma shi, rm, rom, roma, romi, rwm, rwma, rym, Řím, Ρώμη, Рим, Римъ, Ром, Рым, Հռոմ, רומא, رم, روم, روما, رىم, ܪܘܡܐ, रोम, रोमा, রোম, โรม, რომი, ሮማ, ローマ, 罗马市, 로마
Population
2,318,895
Currency
Euro (EUR)
Geographic Coordinates
41° 53' N Latitude / 12° 30' E Longitude
International Dialing Code
+39

Japan Standard Time

Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Japan

Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo

Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST Time Zone Geo Map
JST timezone map

JST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time