PDT to CST Converter

Convert time between Pacific Daylight Time (PDT) and Central Standard Time (CST)

Pacific Daylight Time (PDT)

01:45:50
UTC +0
Dec 27, 2025
America/Los_Angeles

Central Standard Time (CST)

01:45:50
UTC +0
Dec 27, 2025
America/Chicago

Time Difference

Central Standard Time (CST) is 0 hours ahead of Pacific Daylight Time (PDT)

Select Date

Select Time

Quick Reference

PDTCST
18:0020:00
20:0022:00
22:0000:00
00:0002:00
02:0004:00
04:0006:00
06:0008:00
08:0010:00
10:0012:00
12:0014:00
14:0016:00
16:0018:00

Top 10 Most Common Time Zones

AbbreviationFull NameUTC OffsetTypical Use
UTCCoordinated Universal TimeUTC ±0Global reference standard (servers, logs, APIs)
EST / EDTEastern (US) TimeUTC −5 / −4New York, Toronto — North American business hub
CST / CDTCentral (US) TimeUTC −6 / −5Chicago, Dallas — US central business region
PST / PDTPacific (US) TimeUTC −8 / −7San Francisco, Los Angeles — tech industry standard
GMT / BSTGreenwich Mean / British Summer TimeUTC 0 / +1UK, used globally as a reference with UTC
CET / CESTCentral European (Summer) TimeUTC +1 / +2Paris, Berlin, Amsterdam — EU business core
ISTIndia Standard TimeUTC +5:30India — major IT & outsourcing region
CSTChina Standard TimeUTC +8Beijing, Shanghai — East Asia business hub
JSTJapan Standard TimeUTC +9Tokyo — finance & tech hub
AEST / AEDTAustralian Eastern (Daylight) TimeUTC +10 / +11Sydney, Melbourne — APAC regional business

Why Time Zone Abbreviations Are Ambiguous

Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).

Common Ambiguous Time Zone Abbreviations

Abbrev.Common Meaning(s)UTC OffsetRegion(s)
CSTCentral Standard Time / China Standard Time / Cuba Standard TimeUTC−6 / UTC+8 / UTC−5North America, China, Cuba
ISTIndian Standard Time / Irish Standard Time / Israel Standard TimeUTC+5:30 / UTC+1 / UTC+2India, Ireland, Israel
ASTAtlantic Standard Time / Arabia Standard TimeUTC−4 / UTC+3Caribbean, Canada, Middle East
PSTPacific Standard Time / Philippine Standard TimeUTC−8 / UTC+8North America, Philippines
ESTEastern Standard Time (North America / Australia)UTC−5 / UTC+10North America, Australia

✅ Best Practice

To avoid ambiguity, always:

  • Use IANA tz identifiers — e.g., America/New_York instead of "EST"
  • Specify UTC offset explicitly — e.g., UTC−5 when abbreviations must be used
  • Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset

About PDT to CST Time Conversion

Converting time between Pacific Daylight Time (PDT) and Central Standard Time (CST) is essential for coordinating between the US Pacific Coast and Central regions. PDT is UTC-7 and is used during daylight saving time (March to November), while CST is UTC-6 and is used during winter months (November to March). The relationship varies depending on the season due to daylight saving time transitions.

During daylight saving time (March to November), PDT (UTC-7) and CDT (UTC-5) are active, making PDT 2 hours ahead of CDT. During standard time (November to March), PST (UTC-8) and CST (UTC-6) are active. This converter intelligently handles these seasonal transitions to provide accurate time conversions throughout the year for business coordination, travel planning, and scheduling.

Common Use Cases for PDT to CST Conversion

Business & Work

  • Scheduling meetings between Pacific and Central regions
  • Coordinating with Chicago and Texas business offices
  • Managing distributed teams across time zones
  • Planning conference calls and webinars

Personal & Travel

  • Planning travel between coasts and central US
  • Coordinating with family and friends across regions
  • Scheduling virtual events and meetings
  • Understanding broadcast times for central time zone

Time Zone Information

Pacific Daylight Time (PDT)

  • UTC Offset: UTC-7 (UTC-8 during PST)
  • IANA Timezone: America/Los_Angeles
  • Daylight Saving: Second Sunday in March to First Sunday in November
  • Major Cities: Los Angeles, San Francisco, Seattle, San Diego, Portland
  • Coverage: Pacific United States and Canada

Central Standard Time (CST)

  • UTC Offset: UTC-6 (UTC-5 during CDT)
  • IANA Timezone: America/Chicago
  • Daylight Saving: Second Sunday in March to First Sunday in November
  • Major Cities: Chicago, Dallas, Houston, Denver, Memphis
  • Coverage: Central United States and parts of Canada

Quick Reference: PDT to CST/CDT

10:00 AM PDT
12:00 PM CDT (Mar-Nov) / 1:00 PM CST (Nov-Mar)
2:00 PM PDT
4:00 PM CDT (Mar-Nov) / 5:00 PM CST (Nov-Mar)
6:00 PM PDT
8:00 PM CDT (Mar-Nov) / 9:00 PM CST (Nov-Mar)
10:00 PM PDT
12:00 AM CDT (Mar-Nov) / 1:00 AM CST (Nov-Mar)

Note: Time difference varies by season due to daylight saving time transitions