O
Oscar Time Zone
GMT -2
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ART
Argentina Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

O is 1 hour ahead of ART. O uses GMT -2, and ART uses GMT -3 for this comparison.

For example, 10:00 am O is 9:00 am ART. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 10am-5pm O, which is 9am-4pm ART.

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

Time Difference

Oscar Time Zone is 1 hour ahead of Argentina Time
10:00 am10:00 in O is 9:00 am09:00 in ART

O to ART call time
Best time for a conference call or a meeting is between 10am-5pm in O which corresponds to 9am-4pm in ART

10:00 am10:00 Oscar Time Zone (O). Offset UTC -2:00 hours
9:00 am09:00 Argentina Time (ART). Offset UTC -3:00 hours

10:00 am10:00 O / 9:00 am09:00 ART

OART
12am (midnight)11pm
1am12am (midnight)
2am1am
3am2am
4am3am
5am4am
6am5am
7am6am
8am7am
9am8am
10am9am
11am10am
12pm (noon)11am
1pm12pm (noon)
2pm1pm
3pm2pm
4pm3pm
5pm4pm
6pm5pm
7pm6pm
8pm7pm
9pm8pm
10pm9pm
11pm10pm
00:0023:00
01:0000:00
02:0001:00
03:0002:00
04:0003:00
05:0004:00
06:0005:00
07:0006:00
08:0007:00
09:0008:00
10:0009:00
11:0010:00
12:0011:00
13:0012:00
14:0013:00
15:0014:00
16:0015:00
17:0016:00
18:0017:00
19:0018:00
20:0019:00
21:0020:00
22:0021:00
23:0022:00

Oscar Time Zone

Offset: O is 2 hours behind Greenwich Mean Time (GMT) and is used in Military

Daylight Saving: Clocks in Oscar Time Zone (O) do not change for daylight saving time, so O stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

O representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -02 - basic short
  • -0200 - basic
  • -02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Oscar - Military abbreviation for O
  • O - short form of 'Oscar'
Time zones with the GMT -2 offset:
  • PMDT - Pierre & Miquelon Daylight Time
  • WGT - West Greenland Time
  • BRST - Brasilia Summer Time
  • FNT - Fernando de Noronha Time
  • O - Oscar Time Zone
  • UYST - Uruguay Summer Time

Argentina Time

Offset: ART is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

Countries using this time zone: Argentina

Principal Cities: The largest city in the ART time zone is Buenos Aires in Argentina, with about 13.076 million people. Other major cities in this time zone include La Plata, Mar del Plata, Quilmes, Moron.

Daylight Saving: Clocks in Argentina Time (ART) do not change for daylight saving time, so ART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

ART Time Zone Geo Map
ART timezone map

ART representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for ART
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time