Updating current time…
AMT
Amazon Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
R
Romeo Time Zone
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

AMT is 1 hour ahead of R year-round.

Working hours of 9:00 am to 5:00 pm in AMT correspond to 8:00 am to 4:00 pm in R.

For example, 8:00 am AMT is 7:00 am R. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 10am-5pm AMT, which is 9am-4pm R.

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

Time Difference

Amazon Time is 1 hour ahead of Romeo Time Zone
8:00 am08:00 in AMT is 7:00 am07:00 in R

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

8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
7:00 am07:00 Romeo Time Zone (R). Offset UTC -5:00 hours

8:00 am08:00 AMT / 7:00 am07:00 R

AMTR
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

Amazon Time

Offset: AMT is 4 hours behind Greenwich Mean Time (GMT) and is used in South America

Countries using this time zone: Brazil

Principal Cities: The largest city in the AMT time zone is Manaus in Brazil, with about 1.598 million people. Other major cities in this time zone include Itacoatiara, Parintins, Manacapuru, Coari.

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

AMT Time Zone Geo Map
AMT timezone map

AMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for AMT
  • Q - short form of 'Quebec'
AMT Abbreviation: Several time zones share AMT abbreviation and it could refer to these time zones
  • Armenia Time - UTC +4
  • Amazon Time - UTC -4
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Romeo Time Zone

Offset: R is 5 hours behind Greenwich Mean Time (GMT) and is used in Military

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

R representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for R
  • R - short form of 'Romeo'
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone