Updating current time…
Argentina
ART
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CLST
Chile Summer Time
GMT -3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 am09:00 ART (UTC-3), Oct 10, 2026 = 9:00 am09:00 CLST (UTC-3), Oct 10, 2026

Fontana and CLST have the same local time.

How the time difference changes

For most of the year, Fontana, Argentina and CLST have the same time. At other times of the year, Fontana, Argentina is 1 hour ahead of CLT.

For most of the year, working hours of 9:00 am to 5:00 pm in Fontana, Argentina correspond to 9:00 am to 5:00 pm in CLST. At other times of the year, working hours of 9:00 am to 5:00 pm in Fontana, Argentina correspond to 8:00 am to 4:00 pm in CLT.For most of the year, working hours of 09:00 to 17:00 in Fontana, Argentina correspond to 09:00 to 17:00 in CLST. At other times of the year, working hours of 09:00 to 17:00 in Fontana, Argentina correspond to 08:00 to 16:00 in CLT.

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

Time Difference

ART (Argentina Time) and Chile Summer Time have the same local time.
9:00 am09:00 in Fontana, Argentina is 9:00 am09:00 in CLST

Fontana to CLST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Fontana which corresponds to 9am-5pm09:00-17:00 in CLST

9:00 am09:00 ART (Argentina Time) (Fontana, Argentina). Offset UTC -3:00 hours
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours

9:00 am09:00 Fontana, Argentina / 9:00 am09:00 CLST

Fontana, ArgentinaCLST
12:00am12:00am
1:00am1:00am
2:00am2:00am
3:00am3:00am
4:00am4:00am
5:00am5:00am
6:00am6:00am
7:00am7:00am
8:00am8:00am
9:00am9:00am
10:00am10:00am
11:00am11:00am
12:00pm12:00pm
1:00pm1:00pm
2:00pm2:00pm
3:00pm3:00pm
4:00pm4:00pm
5:00pm5:00pm
6:00pm6:00pm
7:00pm7:00pm
8:00pm8:00pm
9:00pm9:00pm
10:00pm10:00pm
11:00pm11:00pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

Fontana Information

Time Zone

Abbreviation / Name
ART - Argentina Time
UTC / GMT Offset
-3:00 hours during Argentina Time, currently in use.

Fontana Facts

Country
Argentina
Alternative Names
Fontana
Population
26,745
Currency
Peso (ARS)
Geographic Coordinates
27° 25' S Latitude / 59° 01' W Longitude
International Dialing Code
+54

Chile Summer Time

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

Countries using this time zone: Chile

Principal Cities: The largest city in the CLST time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Puente Alto, Antofagasta, Vina del Mar, Valparaiso.

CLST Time Zone Geo Map
CLST timezone map

Daylight Saving: Chile Summer Time (CLST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Chile Standard Time (CLT).

Daylight saving time clock moves forward for one hourStart: Chile Summer Time (CLST) started on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00. Daylight saving starts annually on the first Sunday of September.

Daylight saving time clock moves back for one hourEnd: Chile Summer Time (CLST) ends on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See upcoming clock changes worldwide.

CLST 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 CLST
  • 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