Halifax Los AngelesAST to PST Time Converter
Halifax (AST, UTC−4) is currently 4 hours ahead of Los Angeles (PST, UTC−8). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Halifax, it's the same day in Los Angeles.
Halifax (AST) runs 4 hours ahead of Los Angeles (PST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- −4h 00m
- AST
- UTC−4
- PST
- UTC−8
- Best call window
- 1:00 PM AST
AST to PST conversion table
The next 12 hours in AST and the matching local time in PST. The current hour is highlighted; drag the converter's slider and the table follows.
| AST | PST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Best time to meet between AST & PST
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
This time difference never changes
Neither side observes daylight saving against the other, so the gap stays constant all year. Regions on AST switch to ADT (UTC−3) during daylight saving time. Regions on PST switch to PDT (UTC−7) during daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From AST
To PST
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am AST time in PST?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "AST → PST",
"url": "https://worldclock.pro/en/convert/ast-to-pst",
"from": {
"name": "AST",
"type": "timezone",
"abbreviation": "AST",
"daylightAbbreviation": "ADT",
"iana": "America/Halifax",
"standardUtcOffset": "-04:00",
"daylightUtcOffset": "-03:00",
"referenceCity": "Halifax"
},
"to": {
"name": "PST",
"type": "timezone",
"abbreviation": "PST",
"daylightAbbreviation": "PDT",
"iana": "America/Los_Angeles",
"standardUtcOffset": "-08:00",
"daylightUtcOffset": "-07:00",
"referenceCity": "Los Angeles"
},
"currentDifferenceMinutes": -240,
"possibleDifferencesMinutes": [
-240
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between AST and PST?
AST is currently 4 hours ahead of PST. AST is on AST (UTC−4) and PST is on PST (UTC−8). The difference can change when either side starts or ends daylight saving time.
Is PST ahead of or behind AST?
PST is currently 4 hours behind AST.
When it is 9:00 AM in AST, what time is it in PST?
When it is 9:00 AM on a Monday in AST, it is 5:00 AM in PST.
Do AST and PST observe daylight saving time?
Regions on AST switch to ADT (UTC−3) during daylight saving time. Regions on PST switch to PDT (UTC−7) during daylight saving time.
How do I convert AST time to PST time?
Subtract 4 hours from any time in AST to get the time in PST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
More world clock & time zone apps
From the team behind worldclock.pro — global scheduling on iPhone & iPad, a Mac menu-bar clock, and precision Zulu/UTC for aviation, military, and HAM radio.
World Clock Master
Global time zone scheduling for international teams, travelers, and professionals who coordinate across cities and continents.
View app
World Clock Pro
The same powerful time zone converter, meeting scheduler, and world clock — living in your Mac's menu bar.
View app