A
Alpha Time Zone
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mexico
CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Chile
CLST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare A time with Mexico City and Santiago time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Alpha Time Zone is 7 hours ahead of CST (Central Standard Time) and 4 hours ahead of CLST (Chile Summer Time)
1:00 pm13:00 in A is 6:00 am06:00 in Mexico City, Mexico and is 9:00 am09:00 in Santiago, Chile

A to Mexico City call time
Best time for a conference call or a meeting is between 4pm-5pm in A which corresponds to 9am-10am in Mexico City
A to Santiago call time
Best time for a conference call or a meeting is between 1pm-5pm in A which corresponds to 9am-1pm in Santiago

1:00 pm13:00 Alpha Time Zone (A). Offset UTC +1:00 hour
6:00 am06:00 CST (Central Standard Time) (Mexico City, Mexico). Offset UTC -6:00 hours
9:00 am09:00 CLST (Chile Summer Time) (Santiago, Chile). Offset UTC -3:00 hours

1:00 pm13:00 A / 6:00 am06:00 Mexico City, Mexico / 9:00 am09:00 Santiago, Chile

AMexico City, MexicoSantiago, Chile
12am (midnight)5pm8pm
1am6pm9pm
2am7pm10pm
3am8pm11pm
4am9pm12am (midnight)
5am10pm1am
6am11pm2am
7am12am (midnight)3am
8am1am4am
9am2am5am
10am3am6am
11am4am7am
12pm (noon)5am8am
1pm6am9am
2pm7am10am
3pm8am11am
4pm9am12pm (noon)
5pm10am1pm
6pm11am2pm
7pm12pm (noon)3pm
8pm1pm4pm
9pm2pm5pm
10pm3pm6pm
11pm4pm7pm
00:0017:0020:00
01:0018:0021:00
02:0019:0022:00
03:0020:0023:00
04:0021:0000:00
05:0022:0001:00
06:0023:0002:00
07:0000:0003:00
08:0001:0004:00
09:0002:0005:00
10:0003:0006:00
11:0004:0007:00
12:0005:0008:00
13:0006:0009:00
14:0007:0010:00
15:0008:0011:00
16:0009:0012:00
17:0010:0013:00
18:0011:0014:00
19:0012:0015:00
20:0013:0016:00
21:0014:0017:00
22:0015:0018:00
23:0016:0019:00

Alpha Time Zone

Offset: A is 1 hour ahead Greenwich Mean Time (GMT) and is used in Military

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

A representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for A
  • A - short form of 'Alpha'
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Mexico City Information

Time Zone

Abbreviation / Name
CST - Central Standard Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.

Mexico City Facts

Country
Mexico
Alternative Names
Cidade de Mexico, Cidade de México, Cidade do Mexico, Cidade do México, Cita du Messicu, Citta del Messico, Città del Messico, Cità dû Messicu, Cità dû Mèssicu, Ciudad Mexico, Ciudad de Mejico, Ciudad de Mexico, Ciudad de Méjico, Ciudad de México, Ciutat de Mexic, Ciutat de Mèxic, Lungsod ng Mexico, Lungsod ng México, MEX, Mehiko, Mekhiko, Meksikas, Meksiko, Meksiko Siti, Meksikurbo, Meksyk, Mexico, Mexico City, Mexico D.F., Mexico DF, Mexico Distrito Federal, Mexico by, Mexico-stad, Mexicopolis, Mexiko, Mexiko Hiria, Mexiko-Stadt, Mexikoborg, Mexíkóborg, México, México Distrito Federal, Nkoyo, Pole tou Mexikou, Valle de Mexico, Valle de México, mdynt mksykw, megsiko si, megsikositi, mekishikoshiti, meksiko, meksiko siti, meksikositi, mkzykw, mkzykwsyty, mo xi ge cheng, mqsyqw syty, Πόλη του Μεξικού, Мексико, Мексико Сити, Мехико, Мехіко, מקסיקו סיטי, مدينة مكسيكو, مکزیکو, مکزیکوسیتی, مېكسىكا شەھىرى, मेक्सिको सिटी, মেক্সিকো, เม็กซิโกซิตี, მეხიკო, メキシコシティ, 墨西哥城, 멕시코 시, 멕시코시티
Population
12,294,193
Currency
Peso (MXN)
Geographic Coordinates
19° 25' N Latitude / 99° 07' W Longitude
International Dialing Code
+52

Santiago Information

Time Zone

Abbreviation / Name
CLT - Chile Standard Time
CLST - Chile Summer Time
UTC / GMT Offset
-4:00 hours during Chile Standard Time, currently in use.
-3:00 hours during Chile Summer Time.
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 12am to 1amSunday, September 6, 2026 at 12:00 am local time. DST starts annually on the 1st Sunday of September. Clocks are turned forward 1 hour to Sunday, September 6, 2026 at 1:00 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 12am to 11pmSunday, April 5, 2026 at 12:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Saturday, April 4, 2026 at 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.

Santiago Facts

Country
Chile
Alternative Names
Ciles Santjagas, CiudadSantiago, SCL, Sanctiacobi, Sant'jago, Santiago, Santiago de Chile, Santiago de Xile, Santiago del Cile, Santiago do Chile, Santiago du Chili, Santiago du Ch·ili, Santianko, Santjago, Santjago de Chile, Santjago de Chili, Stgo., santiago, santixako, santiyago, santyaghw, santyagw, santyyagw, sheng de ya ge, Čilės Santjagas, Σαντιάγκο, Σαντιάγο, Сантьяго, Сантяго де Чиле, Сантяго де Чили, סנטיאגו דה צ'ילה, سانتىياگو, سانتياغو, سانتیاگو, সান্টিয়াগো, ซันติอาโก, სანტიაგო დე ჩილე, ሳንቲያጎ, サンティアゴ, 圣地亚哥, 산티아고
Population
4,837,295
Currency
Peso (CLP)
Geographic Coordinates
33° 27' S Latitude / 70° 38' W Longitude
International Dialing Code
+56