Current Time in Mercer Island, Washington, USA
10:01:02 AM
10:01:02
PDT (Pacific Daylight Time) · UTC−07:00
America/Los_Angeles
Time zone details
Mercer Island is observing daylight saving time in 2026
Daylight in Mercer Island
Location facts
Place
- Country
- USA
- State
- Washington
- County
- King County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 25,042
- Elevation
- 102 m
Geography
- Geographic coordinates
- 47° 34' N / 122° 13' W
Convert Mercer Island time
Compare Mercer Island with another city or time zone
Mercer Island follows the same clock and daylight-saving rules as Seattle
Popular conversions (current offsets)
All times shown relative to Mercer Island local time
Clock changes in Mercer Island
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM PST3:00 AM PDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 10 hr 20 min3 min 12 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, October 25, 2026
View Mercer Island on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 20 min3 min 12 sec shorter than the previous day
- Solar noon
- (30.1° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Full Moon (100% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- First Quarter — Sunday, October 18, 2026 at
- Next principal phase
- Full Moon — Sunday, October 25, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 20 min | 3 min 12 sec shorter than the previous day | |||
| 10 hr 17 min | 3 min 11 sec shorter than the previous day | |||
| 10 hr 13 min | 3 min 11 sec shorter than the previous day | |||
| 10 hr 10 min | 3 min 9 sec shorter than the previous day | |||
| 10 hr 07 min | 3 min 8 sec shorter than the previous day | |||
| 10 hr 04 min | 3 min 6 sec shorter than the previous day | |||
| 10 hr 01 min | 3 min 6 sec shorter than the previous day |
Weather forecast for Mercer Island
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Plan around Mercer Island
Upcoming public holidays in Washington
- Veterans Day
- Thanksgiving Day
- Christmas Day
Nearby scheduled airports for Mercer Island, Washington, USA
King County International Airport - Boeing FieldBFIMedium airport · Serves Seattle7.6 km southwest
Source: OurAirports record · BFI / KBFI
About 7.6 km (4.7 mi) southwest of Mercer Island
Scheduled airline service in source data
Seattle–Tacoma International AirportSEALarge airport · Serves Seattle15.2 km south-southwest
Source: OurAirports record · SEA / KSEA
About 15.2 km (9.4 mi) south-southwest of Mercer Island
Scheduled airline service in source data
Seattle Paine Field International AirportPAEMedium airport · Serves Everett37.6 km north
Source: OurAirports record · PAE / KPAE
About 37.6 km (23.4 mi) north of Mercer Island
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Mercer Island in?
- Mercer Island uses Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer. Its IANA time zone is America/Los_Angeles.
- When is the next clock change in Mercer Island?
- Clocks in Mercer Island move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from PDT (UTC−07:00) to PST (UTC−08:00)
- Does Mercer Island observe daylight saving time?
- Yes. Mercer Island observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.
- What is the UTC offset of Mercer Island?
- Mercer Island is UTC−8 in winter and UTC−7 in summer