EEST to PDT Converter

Convert time between Eastern European Summer Time (EEST) and Pacific Daylight Time (PDT)

Eastern European Summer Time (EEST)

22:34:18
UTC +0
Dec 08, 2025
Europe/Athens

Pacific Daylight Time (PDT)

22:34:18
UTC +0
Dec 08, 2025
America/Los_Angeles

Time Difference

Pacific Daylight Time (PDT) is 0 hours ahead of Eastern European Summer Time (EEST)

Select Date

Select Time

Quick Reference

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

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 EEST to PDT Time Conversion

Converting time between Eastern European Summer Time (EEST) and Pacific Daylight Time (PDT) is essential for coordinating between Eastern Europe and the US West Coast during the summer months when both regions observe daylight saving time. EEST is UTC+3 (observed from late March to late October), while PDT is UTC-7 (observed from March to November). EEST is 10 hours ahead of PDT.

This conversion is crucial for tech companies, especially those in Silicon Valley, coordinating with development teams and service providers in Eastern Europe. When both regions are in their daylight saving periods, the 10-hour offset is one of the better coordination windows. The EEST period spans from the last Sunday of March to the last Sunday of October, while PDT is used from the second Sunday of March to the first Sunday of November. This creates optimal overlap for real-time collaboration compared to winter months.

Common Use Cases for EEST to PDT Conversion

Business & Work

  • Scheduling calls between Eastern European tech offices and Silicon Valley companies
  • Coordinating software development teams across Eastern Europe and US West Coast
  • Managing business process outsourcing operations with California-based tech clients
  • Planning conference calls for tech companies with presence in both regions during summer

Personal & Travel

  • Coordinating with family and friends in the US West Coast region
  • Planning travel between Eastern Europe and California destinations
  • Scheduling virtual meetings with West Coast relatives or business partners
  • Arranging online collaboration with California-based colleagues

Time Zone Information

Eastern European Summer Time (EEST)

  • UTC Offset: UTC+3
  • IANA Timezone: Europe/Athens
  • Daylight Saving: Daylight saving time (last Sunday in March to last Sunday in October)
  • Major Cities: Athens, Cairo, Kiev, Bucharest, Sofia, Helsinki
  • Coverage: Eastern Europe, Egypt, and Eastern Mediterranean region (summer months)

Pacific Daylight Time (PDT)

  • UTC Offset: UTC-7
  • IANA Timezone: America/Los_Angeles
  • Daylight Saving: Daylight saving time (second Sunday in March to first Sunday in November)
  • Major Cities: Los Angeles, San Francisco, Seattle, Portland, San Diego, Sacramento
  • Coverage: Pacific United States and Canada (summer months)

Quick Reference: EEST to PDT

8:00 AM EEST
10:00 PM PDT (previous day)
12:00 PM EEST
2:00 AM PDT
6:00 PM EEST
8:00 AM PDT
9:00 PM EEST
11:00 AM PDT

Remember: EEST is 10 hours ahead of PDT. This conversion is relevant from late March to late October when both regions observe daylight saving time. Outside this period, use EET to PST or EEST to PST.

Frequently Asked Questions

What is the time difference between EEST and PDT?

Eastern European Summer Time (EEST) is UTC+3, while Pacific Daylight Time (PDT) is UTC-7. This means EEST is 10 hours ahead of PDT. When it's 12:00 PM in Greece or Eastern Europe (EEST), it's 2:00 AM the same day in Los Angeles (PDT).

How does the EEST to PDT offset differ from other US timezones?

EEST is 10 hours ahead of PDT. This is different from EEST to PST (11 hours) because PDT is daylight saving time. When both regions observe daylight saving time (late March to late October for Europe, March to November for US), the difference is 10 hours. This creates better business coordination opportunities than with PST.

When can I use the EEST to PDT converter?

The EEST to PDT conversion is relevant from late March (when Europe transitions to EEST) through early November (when the US transitions back to PST). From late October to early November, Europe remains on EEST while the US is still on PDT. From early November through late March, Europe is on EET and the US is on PST, making this converter primarily useful during the summer months.

What are the daylight saving transition dates?

EEST begins on the last Sunday of March and ends on the last Sunday of October. PDT begins on the second Sunday of March and ends on the first Sunday of November. This means there are periods where one or both regions transition: PDT starts before EEST (March 2-30), and EEST ends before PDT (October 26-November 1).

What are the best times to schedule calls between Eastern Europe and Los Angeles?

Business hour overlap is limited due to the 10-hour difference. Morning in Eastern Europe (8-10 AM EEST) corresponds to evening in Los Angeles (10 PM-12 AM PDT). Evening in Eastern Europe (6-8 PM EEST) corresponds to early morning in Los Angeles (8-10 AM PDT). The 8-10 AM PDT window (6-8 PM EEST) is ideal for urgent business discussions when both teams are alert.

Why is EEST to PDT important for tech companies?

Many Silicon Valley and West Coast tech companies coordinate with development teams and service providers in Eastern Europe during summer months. The 10-hour difference (better than the 11-hour PST offset) makes this one of the better time windows for real-time collaboration. Both regions are in daylight saving time, which is when most international business activity occurs. This makes EEST to PDT a key converter for tech industry coordination.

Pro Tips

  • • EEST and PDT create a 10-hour difference - evening in Eastern Europe is morning of the same day in Los Angeles.
  • • This converter is only relevant during the overlap period (late March to late October). Outside this period, use EET to PST or EEST to PST.
  • • Schedule early morning meetings in Los Angeles (7-9 AM PDT) to catch late evening in Eastern Europe (5-7 PM EEST) - ideal for urgent discussions.
  • • Evening meetings in Los Angeles (5-7 PM PDT) align with next morning in Eastern Europe (3-5 AM EEST) - possible for deadline-driven work.
  • • Mark your calendar for daylight saving transitions. Both regions change on different dates, affecting the time difference temporarily.
  • • Use asynchronous communication and shared documents for routine matters to bridge the 10-hour gap and enable 24/7 collaboration.

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