Montana, USA
MST
Puerto Rico
AST

Time Difference

MST (Mountain Standard Time) is 3 hours behind AST (Atlantic Standard Time)
8:00 pm20:00 in Great Falls, MT, USA is 11:00 pm23:00 in Yauco, Puerto Rico

Great Falls to Yauco call time
Best time for a conference call or a meeting is between 8am-3pm in Great Falls which corresponds to 11am-6pm in Yauco

8:00 pm20:00 MST (Mountain Standard Time) (Great Falls, MT, USA). Offset UTC -7:00 hours
11:00 pm23:00 AST (Atlantic Standard Time) (Yauco, Puerto Rico). Offset UTC -4:00 hours

8:00 pm20:00 Great Falls, MT, USA / 11:00 pm23:00 Yauco, Puerto Rico

Great Falls, MT, USA Yauco, Puerto Rico
12am (midnight) 3am
1am 4am
2am 5am
3am 6am
4am 7am
5am 8am
6am 9am
7am 10am
8am 11am
9am 12pm (noon)
10am 1pm
11am 2pm
12pm (noon) 3pm
1pm 4pm
2pm 5pm
3pm 6pm
4pm 7pm
5pm 8pm
6pm 9pm
7pm 10pm
8pm 11pm
9pm 12am (midnight)
10pm 1am
11pm 2am
0:00 3:00
1:00 4:00
2:00 5:00
3:00 6:00
4:00 7:00
5:00 8:00
6:00 9:00
7:00 10:00
8:00 11:00
9:00 12:00
10:00 13:00
11:00 14:00
12:00 15:00
13:00 16:00
14:00 17:00
15:00 18:00
16:00 19:00
17:00 20:00
18:00 21:00
19:00 22:00
20:00 23:00
21:00 0:00
22:00 1:00
23:00 2:00

Great Falls Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
HAR - Heure Avancée des Rocheuses
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.
-6:00 hours during Heure Avancée des Rocheuses.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 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 2am to 1am Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Great Falls Facts

Country
USA
State
Montana
Alternative Names
Electric City, GTF, Great Falls, Grejt Fols, Grejt-Fols, Grit Fouls, da pu bu cheng, ghryt fwlz mwntana, guretoforuzu, Грейт Фолс, Грейт-Фолс, Грејт Фолс, Грит Фоулс, غريت فولز، مونتانا, グレートフォールズ, 大瀑布城
Population
59,638
Currency
Dollar (USD)
Geographic Coordinates
47° 30' N Latitude / 111° 18' W Longitude
International Dialing Code
+1

Yauco Information

Time Zone

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

Yauco Facts

Country
Puerto Rico
Alternative Names
Coayuco, Jauko, ya'uko, yao ke, Јауко, Яуко, یاوکو، پورٹو ریکو, য়াউকো, 堯科
Population
20,295
Currency
Dollar (USD)
Geographic Coordinates
18° 02' N Latitude / 66° 50' W Longitude