What is the time difference between EST and PST?

Pacific Standard Time (PST) is 3 hours behind Eastern Standard Time (EST). EST uses a UTC offset of UTC-4, while PST uses UTC-7. For example, when it's 9:00 AM in EST, it's 6:00 AM in PST. Note that this difference may shift by one hour during daylight saving time transitions if the two zones change on different dates. Use the conversion table above to see the exact time for each hour of the day.

How do I convert EST to PST?

To convert EST to PST, subtract 3 hours from the EST time. For example, 9:00 AM EST is 6:00 AM PST, and 5:00 PM EST is 2:00 PM PST. Keep in mind that during daylight saving time transitions, the offset between these timezones may temporarily change by one hour. You can also use the interactive converter above for quick, accurate results.

What time is it in PST when it's noon in EST?

When it's 12:00 PM (noon) in EST, it's 9:00 AM in PST. This is because PST is 3 hours behind EST. Similarly, when it's 6:00 PM in EST, it's 3:00 PM in PST. During daylight saving time transitions, these times may shift by one hour, so always verify the current offset. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours behind is PST from EST?

PST is 3 hours behind EST. This means when it's 9:00 AM in EST, it's 6:00 AM in PST, and when it's midnight in EST, it's 9:00 PM in PST. The exact difference can vary by one hour during daylight saving time transitions. The conversion table above provides a complete hour-by-hour mapping.

Is PST ahead or behind EST?

PST is behind EST by 3 hours. Clocks in PST show an earlier time than EST, meaning the day starts later in PST relative to EST. For example, when it's noon in EST, it's still 9:00 AM in PST. This gap may change by one hour during DST transitions.

Does EST observe daylight saving time?

Yes, Eastern Standard Time observes daylight saving time. During DST, the abbreviation changes to EDT and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard EST time. This means the UTC offset for EST shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your EST to PST conversions.

Does PST observe daylight saving time?

Yes, Pacific Standard Time observes daylight saving time. During DST, the abbreviation changes to PDT and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard PST time. This means the UTC offset for PST shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your EST to PST conversions.

What is the best time to call from EST to PST?

The best time for a call between EST and PST is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in PST during their work day, call between 12:00 PM and 8:00 PM your EST time. Avoid calling too early or late, as the 3 hours difference means your evening could be their early morning. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

When does daylight saving time change in EST?

Daylight saving time transitions vary by year and region. Eastern Standard Time observes DST, which typically shifts clocks forward by one hour in spring ("spring forward") and back in fall ("fall back"). During these transition periods, the time difference between EST and PST may temporarily change by one hour, which can cause confusion for scheduled meetings or calls. It's important to double-check your conversions around transition dates, especially if the two timezones switch on different dates. Check our DST change calendar for exact transition dates in the current year.

Do EST and PST ever have the same time?

No, EST and PST are always 3 hours apart and never display the same clock time simultaneously. Both timezones observe DST and typically transition around the same period, so the standard difference remains consistent throughout the year. The 3 hours offset is determined by their fixed positions relative to the Prime Meridian (UTC). You can always rely on this consistent difference when planning across these timezones.

EST to PST Converter

Convert Eastern Standard Time to Pacific Standard Time. See the hour-by-hour conversion table below.

Timezone Details

Eastern Standard Time

6:34 PM

Friday, April 3, 2026

EDT (UTC-04:00)

Pacific Standard Time

3:34 PM

Friday, April 3, 2026

PDT (UTC-07:00)

Difference: -3 hours

EDT DST: Yes (EDT)

PDT DST: Yes (PDT)

24-Hour Overview

EDT — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

PDT — 24-hour overview

9p9p

10p

11p

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

PST to EST EST to GMT GMT to EST EST to IST IST to EST EST to CET CET to EST EST to JST JST to EST

Cities in These Timezones

EST Cities

New York Philadelphia Washington D.C.Boston Atlanta

PST Cities

Los Angeles San Diego San Francisco Seattle Las Vegas

More Tools

Compare EST & PST Plan a Meeting (EST & PST)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

Eastern Standard Time on Wikipedia Pacific Standard Time on Wikipedia IANA Time Zone Database