PST to CHST Time Converter

Convert Pacific Standard Time (PST) to Chamorro Standard Time (CHST). Both time zones are shown live below; current offset between them is 17 hours ahead.

Los Angeles · Pacific Standard Time
13:02:40
Tuesday, May 12, 2026
PDT · UTC-07:00
Hagåtña · Chamorro Standard Time
06:02:40
Wednesday, May 13, 2026
GMT+10 · UTC+10:00

Convert a specific time

From: PST (Los Angeles)
To: CHST (Hagåtña)
--:--

Daylight Saving status right now

PST (Pacific Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-07:00 → UTC-08:00
CHST (Chamorro Standard Time)
Observes DST
No

Heads up: PST observes DST while CHST does not. The 17-hour difference shown above will shift by one hour when PST starts or ends DST.

When can PST and CHST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
PST
CHST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Los Angeles (PST). Each row shows the local working-hours state in that zone for the same moment in time.
1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 16:00–16:00 PST (09:00–09:00 CHST).

Hour-by-hour PST to CHST conversion table

PST time (Los Angeles)CHST time (Hagåtña)Status
00:00 Tue17:00 TueOff-hours both sides
01:00 Tue18:00 TueOff-hours both sides
02:00 Tue19:00 TueOff-hours both sides
03:00 Tue20:00 TueOff-hours both sides
04:00 Tue21:00 TueOff-hours both sides
05:00 Tue22:00 TueOff-hours both sides
06:00 Tue23:00 TueOff-hours both sides
07:00 Tue00:00 WedOff-hours both sides
08:00 Tue01:00 WedOff-hours both sides
09:00 Tue02:00 WedPST working
10:00 Tue03:00 WedPST working
11:00 Tue04:00 WedPST working
12:00 Tue05:00 WedPST working
13:00 Tue06:00 WedPST working
14:00 Tue07:00 WedPST working
15:00 Tue08:00 WedPST working
16:00 Tue09:00 WedBoth at work
17:00 Tue10:00 WedCHST working
18:00 Tue11:00 WedCHST working
19:00 Tue12:00 WedCHST working
20:00 Tue13:00 WedCHST working
21:00 Tue14:00 WedCHST working
22:00 Tue15:00 WedCHST working
23:00 Tue16:00 WedCHST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Pacific Standard Time (PST)
IANA identifier
America/Los_Angeles
Current UTC offset
UTC-07:00
Current abbreviation
PDT
Major cities in this zone
Los AngelesSan FranciscoSeattlePortlandSan Diego
Chamorro Standard Time (CHST)
IANA identifier
Pacific/Guam
Current UTC offset
UTC+10:00
Current abbreviation
GMT+10
Major cities in this zone
Hagåtña

Sun today in Los Angeles and Hagåtña

Los Angeles
Sunrise
05:55
Sunset
19:46
Solar noon
12:50
Daylight
13h 51m

Related converters

CHST to PST (reverse)PST to ESTPST to GMTPST to UTCPST to CETPST to ISTEST to CHSTGMT to CHSTUTC to CHSTCET to CHSTIST to CHST
Looking for local time? See time in Los Angeles or time in Hagåtña.

Frequently asked questions

What is the time difference between PST and CHST right now?+
CHST (Chamorro Standard Time) is currently 17 hours ahead PST (Pacific Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does PST or CHST observe daylight saving time?+
PST: observes daylight saving time. CHST: does not observe daylight saving time.
When is the best time to schedule a meeting between PST and CHST?+
The strongest overlap is 16:00–16:00 PST (09:00–09:00 CHST), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Hagåtña when it is 12:00 noon in Los Angeles?+
When it is 12:00 Tue in Los Angeles (PST), it is 05:00 Wed in Hagåtña (CHST).
Which IANA time zone identifiers are used for PST and CHST?+
PST maps to "America/Los_Angeles" in the IANA database. CHST maps to "Pacific/Guam". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Los Angeles ahead of or behind Hagåtña?+
Whether Los Angeles (PST) is ahead of or behind Hagåtña (CHST) depends on the current UTC offsets. Right now CHST is 17 hours ahead PST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for PST and CHST?+
PST is UTC-07:00 (PDT) and CHST is UTC+10:00 (GMT+10). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both PST and CHST?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 16:00–16:00 PST.