1 AM EST to PST
1:00 AM EST is 10:00 PM PST (previous day).
1 AM EST in other time zones
Quarter hours: 1 AM, 1:15, 1:30 and 1:45 EST
- 1:00 AM EST = 10:00 PM PST (previous day)
- 1:15 AM EST = 10:15 PM PST (previous day)
- 1:30 AM EST = 10:30 PM PST (previous day)
- 1:45 AM EST = 10:45 PM PST (previous day)
1 AM EST to PST FAQ
What is 1 AM EST in PST?
1:00 AM EST is 10:00 PM PST (previous day).
Is 1 AM EST the same day in PST?
No. 1:00 AM EST is 10:00 PM PST on the previous day.
What is 1:30 AM EST in PST?
1:30 AM EST = 10:30 PM PST (previous day).
Is 1 AM ET the same as 1 AM EST?
ET (Eastern Time) is the year-round name for these clocks, so 1 AM ET means 1 AM EST on today's date. 1:00 AM EST is 10:00 PM PST (previous day).
Related conversions
All EST to PST times
12 AM EST to PST1 AM EST to PST2 AM EST to PST3 AM EST to PST4 AM EST to PST5 AM EST to PST6 AM EST to PST7 AM EST to PST8 AM EST to PST9 AM EST to PST10 AM EST to PST11 AM EST to PST12 PM EST to PST1 PM EST to PST2 PM EST to PST3 PM EST to PST4 PM EST to PST5 PM EST to PST6 PM EST to PST7 PM EST to PST8 PM EST to PST9 PM EST to PST10 PM EST to PST11 PM EST to PST
Convert PST to EST
Convert EST to other time zones
Convert other time zones to PST
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Updated 6 November 2026. Time zone data: IANA tz database.