Puerto Rico
AST
NST/NDT
Newfoundland Standard Time
GMT -3
NDT automatically adjusted to NST time zone, that is in use

Time Difference

AST (Atlantic Standard Time) is 0 hours and 30 minutes behind Newfoundland Standard Time
6:30 am06:30 in Rio Grande, Puerto Rico is 7:00 am07:00 in NST

Rio Grande to NDT call time
Best time for a conference call or a meeting is between 8am-4:30pm in Rio Grande which corresponds to 9:30am-6pm in NDT

6:30 am06:30 AST (Atlantic Standard Time) (Rio Grande, Puerto Rico). Offset UTC -4:00 hours
7:00 am07:00 Newfoundland Standard Time (NST). Offset UTC -3:30 hours

6:30 am06:30 Rio Grande, Puerto Rico / 7:00 am07:00 NST

Rio Grande, Puerto Rico NST
12am (midnight) 12:30 am
1am 1:30 am
2am 2:30 am
3am 3:30 am
4am 4:30 am
5am 5:30 am
6am 6:30 am
7am 7:30 am
8am 8:30 am
9am 9:30 am
10am 10:30 am
11am 11:30 am
12pm (noon) 12:30 pm
1pm 1:30 pm
2pm 2:30 pm
3pm 3:30 pm
4pm 4:30 pm
5pm 5:30 pm
6pm 6:30 pm
7pm 7:30 pm
8pm 8:30 pm
9pm 9:30 pm
10pm 10:30 pm
11pm 11:30 pm
0:00 0:30
1:00 1:30
2:00 2:30
3:00 3:30
4:00 4:30
5:00 5:30
6:00 6:30
7:00 7:30
8:00 8:30
9:00 9:30
10:00 10:30
11:00 11:30
12:00 12:30
13:00 13:30
14:00 14:30
15:00 15:30
16:00 16:30
17:00 17:30
18:00 18:30
19:00 19:30
20:00 20:30
21:00 21:30
22:00 22:30
23:00 23:30

Rio Grande Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Rio Grande Facts

Country
Puerto Rico
Alternative Names
Rio Grande, Rio-Grande, li ao ge lan de, ri'o grande, Рио Гранде, Ріо-Гранде, ریو گرینڈے، پورٹو ریکو, রিও গ্রান্ডে, 里奧格蘭德
Population
13,467
Currency
Dollar (USD)
Geographic Coordinates
18° 22' N Latitude / 65° 49' W Longitude

Newfoundland Daylight Time

Offset: NDT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada

Principal Cities: The largest city in the NDT timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South

French: HAT - Heure Avancée de Terre-Neuve

NDT Time Zone Geo Map
NDT timezone map

Daylight Saving: Newfoundland Daylight Time (NDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Newfoundland Standard Time (NST).

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Newfoundland Daylight Time (NDT) has ended on Sunday, November 3, 2024 at 2:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Newfoundland Daylight Time (NDT) starts on Sunday, March 9, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March

NDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates two hour and thirty minutes time differences to the west of the zero meridian.
IANA/Olson: Reflects NDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland