PST to Boston Time Converter

EST is 3 hours ahead of PST. 9:00 AM PST = 12:00 PM EST.

⇄ Swap
PSTfrom
Pacific Standard Time
--:--
 
Boston, USA
--:--
 
--:--

EST is 3 hours ahead of PST. To convert PST to Boston Time, add 3 hours to the PST time: 9:00 AM PST = 12:00 PM EST.

PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver. Boston Time (Boston time) is used in Boston, USA.

PST here means Pacific Standard Time, not Philippine Standard Time.

PST to Boston Time time conversion table

PST to Boston Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM PST
PSTBoston Time
12:00 AM3:00 AM
1:00 AM4:00 AM
2:00 AM5:00 AM
3:00 AM6:00 AM
4:00 AM7:00 AM
5:00 AM8:00 AM
6:00 AM9:00 AM
7:00 AM10:00 AM
8 AM – 3 PM PST
PSTBoston Time
8:00 AM11:00 AM
9:00 AM12:00 PM
10:00 AM1:00 PM
11:00 AM2:00 PM
12:00 PM3:00 PM
1:00 PM4:00 PM
2:00 PM5:00 PM
3:00 PM6:00 PM
4 PM – 11 PM PST
PSTBoston Time
4:00 PM7:00 PM
5:00 PM8:00 PM
6:00 PM9:00 PM
7:00 PM10:00 PM
8:00 PM11:00 PM
9:00 PM12:00 AM+1
10:00 PM1:00 AM+1
11:00 PM2:00 AM+1

Conversion table from PST to Boston Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Boston Time, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert PST to Boston Time

Add 3 hours to the PST time to get Boston Time.

Example: 9:00 AM PST = 12:00 PM EST.

Across midnight: 10:00 PM PST = 1:00 AM EST (next day). The date changes, so always check the day as well as the hour.

Time difference between PST and Boston Time

The time difference between PST and Boston Time is 3 hours all year – EST is ahead of PST.

PST and Boston Time during daylight saving time

  • PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
  • Boston Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).

Best time for a meeting between PST and Boston Time

PST and Boston Time share 5 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 2:00 PM PST lands between 12:00 PM and 5:00 PM EST, inside working hours for both.

Plan a meeting across more time zones.

PST to Boston Time FAQ

What is the time difference between PST and Boston Time?

EST is 3 hours ahead of PST all year. 9:00 AM PST = 12:00 PM EST.

What is 9 AM PST in Boston Time?

9:00 AM PST is 12:00 PM EST.

What is 12 PM (noon) PST in Boston Time?

12:00 PM PST is 3:00 PM EST.

Is Boston Time ahead of or behind PST?

EST is 3 hours ahead of PST, so it is later in Boston Time than in PST.

Does PST change for daylight saving time?

Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.

Does Boston Time change for daylight saving time?

Yes. Boston Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.

What is the best time for a meeting between PST and Boston Time?

PST and Boston Time share 5 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 2:00 PM PST lands between 12:00 PM and 5:00 PM EST, inside working hours for both.

Is PT the same as PST?

PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert Boston Time to PST

Convert PST to other time zones

Convert other time zones to Boston Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.