Costa Rica • Live Time Zone Guide

Costa Rica Time Zone

Costa Rica uses one time zone nationwide: Central Standard Time (CST), UTC−06:00, all year. The country does not currently observe daylight saving time, so San José, Guanacaste, Limón, Puntarenas and every other Costa Rican location keep the same UTC−6 clock throughout the year.

Costa Rica stays on CST when much of the U.S. Central Time Zone switches to CDT. That means Costa Rica and Chicago match during U.S. standard time, but Chicago is one hour ahead while it observes daylight time. For software and date-aware calculations, use America/Costa_Rica.
Official civil zones1One nationwide clock
UTC offsetUTC−06:00Stable year-round
Daylight savingNot observedNo seasonal clock change
Search a Costa Rica time reference or open the related current-time, offset, regional and daylight-saving guides.

Costa Rica Uses One Time Zone Nationwide

There are no provincial time-zone boundaries inside Costa Rica. The same CST / UTC−06:00 clock applies from the Pacific coast to the Caribbean coast and from the Nicaraguan border to the Panamanian border.

See Central America time-zone geography →
Civil TimeCoverageIANA IdentifierLive TimeCurrent Offset
Central Standard Time (CST)All of Costa RicaAmerica/Costa_RicaLiveUTC−06:00

Costa Rica Time Zone by Province

All seven provinces use the same legal time. There are no province-level DST exceptions or second civil time zones under current rules.

Costa Rica DST details →
ProvinceTime ZoneUTC OffsetDaylight Saving
San JoséCST · America/Costa_RicaUTC−06:00Not observed
AlajuelaCST · America/Costa_RicaUTC−06:00Not observed
CartagoCST · America/Costa_RicaUTC−06:00Not observed
HerediaCST · America/Costa_RicaUTC−06:00Not observed
GuanacasteCST · America/Costa_RicaUTC−06:00Not observed
PuntarenasCST · America/Costa_RicaUTC−06:00Not observed
LimónCST · America/Costa_RicaUTC−06:00Not observed
CST · UTC−06:00 · No Current DST

Costa Rica CST vs U.S. Central Time

Costa Rica stays at UTC−06:00 year-round. U.S. Central Time does not: places such as Chicago normally use CST / UTC−06:00 during standard time and CDT / UTC−05:00 during daylight time. So “CST” is a precise description of Costa Rica's current civil time, while “Central Time” in the United States can represent two seasonal offsets.

Costa RicaLive timeCST · loading offset
ChicagoLive timeU.S. Central · loading offset
Panama CityLive timePanama · loading offset
Mexico CityLive timeMexico City · loading offset

Costa Rica Time Compared with Popular Locations

The important distinction is seasonal behavior. Costa Rica never changes from UTC−06:00, while several major North American cities change their offset during the year.

Convert another location →
LocationIANA ZoneCurrent TimeAbbreviationCurrent UTC OffsetRelationship to Costa Rica
Costa RicaAmerica/Costa_RicaLiveReference
ChicagoAmerica/ChicagoLiveDate-aware difference
New YorkAmerica/New_YorkLiveDate-aware difference
Los AngelesAmerica/Los_AngelesLiveDate-aware difference
Panama CityAmerica/PanamaLiveDate-aware difference
Mexico CityAmerica/Mexico_CityLiveDate-aware difference
Guatemala CityAmerica/GuatemalaLiveDate-aware difference

Does Costa Rica Observe Daylight Saving Time?

No. Costa Rica does not currently observe daylight saving time. Its civil clock remains at CST / UTC−06:00 throughout the year, so there is no annual “spring forward” or “fall back.”

Current ruleCST / UTC−06:00 year-round nationwide.
Next scheduled clock changeNone under current rules.
Last DST useCosta Rica last observed daylight saving time in 1992.
Practical effectDifferences with U.S. and Canadian cities can still change when those places move their clocks.

Why the Difference to the U.S. Changes

Costa Rica's own clock does not move, but many U.S. clocks do. This creates a seasonal difference without any change inside Costa Rica.

Chicago on CST · UTC−06:00Chicago and Costa Rica have the same local time.
Chicago on CDT · UTC−05:00Chicago is one hour ahead of Costa Rica.
New York on EST · UTC−05:00New York is one hour ahead of Costa Rica.
New York on EDT · UTC−04:00New York is two hours ahead of Costa Rica.

Costa Rica Time Zone Names, IDs & Meanings

CST, UTC−06:00 and America/Costa_Rica describe related but different parts of the time system. Keeping those concepts separate prevents the most common scheduling mistakes.

Abbreviation

CST · Central Standard Time

In Costa Rica, CST is the year-round civil-time abbreviation and corresponds to UTC−06:00.

Offset

UTC−06:00

Costa Rican civil time is six hours behind Coordinated Universal Time throughout the year.

IANA

America/Costa_Rica

The location-based identifier stores Costa Rica's historical civil-time rules and is the best technical choice for date-aware software.

Nationwide Rule

One Civil Time

All seven provinces use the same current time zone and UTC offset.

Seasonal Time

No Current DST

Costa Rica does not currently shift to a daylight-time abbreviation or UTC−05:00.

Important Ambiguity

CST Is Not Globally Unique

The letters CST can mean other time-zone names elsewhere. Use America/Costa_Rica when technical precision matters.

Quick Costa Rica Time Zone Compare

Compare Costa Rica with a major international location right now. The result is date-aware, so DST changes in the other location are reflected automatically even though Costa Rica itself does not change clocks.

Live time
Current abbreviation and UTC offset
Live time
Current abbreviation and UTC offset
Open Full Converter

How Costa Rica's Time Zone Works

Six practical rules answer almost every Costa Rica time-zone question.

01 · Coverage

One Time Zone Covers the Country

No province, coast or major island uses a second current civil zone.

02 · Offset

Costa Rica Is UTC−06:00

Local civil time remains six hours behind UTC all year under current rules.

03 · Abbreviation

The Local Abbreviation Is CST

Costa Rica uses Central Standard Time without switching to Central Daylight Time.

04 · DST

No Seasonal Clock Change

The country's last daylight-saving observance ended in 1992; no future transition is currently scheduled.

05 · Software

Use America/Costa_Rica

The IANA location identifier is safer than storing only “CST” because abbreviations are ambiguous and rules can change historically.

06 · International Planning

Other Countries Can Move Around Costa Rica

Even with a fixed Costa Rican clock, the time difference to the U.S., Canada and Europe changes when those places change DST.

America/Costa_Rica vs CST

America/Costa_Rica is the IANA location identifier. CST is the current abbreviation. They are not interchangeable concepts: the identifier represents Costa Rica's civil-time rule history, while the abbreviation is a short label for the current standard-time state.

For calendars and scheduling systemsPrefer America/Costa_Rica when the software supports IANA zones.
For a fixed UTC calculationUTC−06:00 correctly represents Costa Rica's current numerical offset.
For human-readable displayCST is familiar, but add “Costa Rica” or UTC−06:00 when ambiguity is possible.

Costa Rica UTC Offset

Costa Rica's current UTC offset is UTC−06:00. That means 12:00 UTC corresponds to 6:00 a.m. in Costa Rica. Because there is no current DST, this arithmetic remains stable throughout the year.

06:00 UTC12:00 midnight in Costa Rica.
12:00 UTC6:00 a.m. in Costa Rica.
18:00 UTC12:00 noon in Costa Rica.
00:00 UTC6:00 p.m. on the previous calendar day in Costa Rica.

Costa Rica vs Nearby Central America Time Zones

Costa Rica shares UTC−06:00 year-round with several nearby countries, while Panama immediately to the southeast uses UTC−05:00. Mexico is more complex because it spans multiple legal time zones.

Country / LocationTypical Civil OffsetSeasonal Clock ChangeCompared with Costa Rica
Costa RicaUTC−06:00No current DSTReference
GuatemalaUTC−06:00No current DSTSame time
HondurasUTC−06:00No current DSTSame time
NicaraguaUTC−06:00No current DSTSame time
El SalvadorUTC−06:00No current DSTSame time
BelizeUTC−06:00No current DSTSame time
PanamaUTC−05:00No current DST1 hour ahead
MexicoMultiple offsetsBorder exceptionsDepends on location
Visual Geography

See Costa Rica on the Central America Time Zone Map

Costa Rica itself is a single-zone country, but the regional map makes the border with Panama's UTC−05:00 time especially easy to understand and shows how UTC offsets fit together across Central America.

Costa Rica · CST · UTC−06:00

Looking for the Current Time in Costa Rica?

This page explains Costa Rica's time-zone rules. For the live country clock, today's date and current local-time comparisons, use the current-time guide.

Sources & Methodology

Costa Rica's current UTC−06:00 reference is cross-checked against Costa Rican government information. Live clocks, abbreviations and international differences are generated with IANA-compatible browser time-zone data using America/Costa_Rica rather than a manually hardcoded clock.

Last reviewed: August 20, 2026 · IANA tzdb reference at review: 2026c. Time-zone rules can change by law; live values are calculated by location and date.

Costa Rica Time Zone FAQ

What time zone is Costa Rica in?

Costa Rica uses Central Standard Time (CST), UTC−06:00, throughout the year. The IANA identifier is America/Costa_Rica.

Does Costa Rica have more than one time zone?

No. Costa Rica uses one civil time zone nationwide. All seven provinces share the same clock.

Does Costa Rica observe daylight saving time?

No. Costa Rica does not currently observe daylight saving time and stays on UTC−06:00 year-round. Its last DST observance ended in 1992.

Is Costa Rica on CST all year?

Yes. Costa Rica remains on Central Standard Time at UTC−06:00 and does not switch to CDT.

Is Costa Rica the same time as Chicago?

Only part of the year. When Chicago uses CST, it matches Costa Rica. When Chicago uses CDT, Chicago is one hour ahead.

Is Costa Rica the same time as Mexico City?

Under current rules, Mexico City and Costa Rica both use UTC−06:00 year-round, so their clocks normally match. Other parts of Mexico can use different offsets.

Is Costa Rica the same time as Panama?

No. Panama uses UTC−05:00 year-round, so Panama is one hour ahead of Costa Rica.

What is the IANA time zone for Costa Rica?

Use America/Costa_Rica for date-aware software. It preserves the location's civil-time history rather than storing only a fixed numerical offset.

What is Costa Rica's UTC offset?

Costa Rica uses UTC−06:00 throughout the year under current rules.

Is CST ambiguous?

Yes. CST can refer to different time-zone names internationally. In Costa Rica, it means Central Standard Time at UTC−06:00; America/Costa_Rica is clearer for technical use.