PSTTime.nowPacific Standard Time

PST to ADT Converter

ADT is 5 hours ahead of PST.

PST
Thursday, October 1, 2026
Pacific Standard Time · UTC−8
ADT
Thursday, October 1, 2026
Atlantic Daylight Time · UTC−3

Convert PST to ADT

PST 16:39 = ADT 20:39

PST to ADT time chart, hour by hour

PSTADT
00:0005:00
01:0006:00
02:0007:00
03:0008:00
04:0009:00
05:0010:00
06:0011:00
07:0012:00
08:0013:00
09:0014:00
10:0015:00
11:0016:00
12:0017:00
13:0018:00
14:0019:00
15:0020:00
16:0021:00
17:0022:00
18:0023:00
19:0000:00 +1 day
20:0001:00 +1 day
21:0002:00 +1 day
22:0003:00 +1 day
23:0004:00 +1 day

Highlighted rows fall within 09:00–18:00 in both places: 4 shared working hours.

How many hours is PST behind ADT?

As abbreviations, ADT is always 5 hours ahead of PST: PST is UTC−8 and ADT is UTC−3. To convert, add 5 hours.

Check which label you actually need: PST (Pacific Time is on PDT today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now ADT is 4 hours ahead of PST.

Does the PST to ADT time difference change?

No. Adt is 4 hours ahead of pst all year, because both places change their clocks on the same dates.

Best time for a meeting between PST and ADT

  • When ADT is 4 hours ahead of PST: 4 shared office hours, 09:00 to 13:00 in PST (13:00 to 17:00 in ADT).

Frequently asked questions about PST and ADT time

How many hours ahead is ADT of PST?
ADT (UTC−3) is 5 hours ahead of PST (UTC−8).
Does the time difference between PST and ADT change during the year?
No, it stays 4 hours ahead all year because both places change their clocks on the same dates.