US Domestic · UTC Offset & Overlap Calculator

🇺🇸 Precise DST-accurate meeting planner: Seattle to New York 🇺🇸

Big Tech headquarters to satellite office, the Amazon and Microsoft corridor. Use this planner to visualize common working hours, find the golden overlap window, and schedule your next global team sync — with DST-accurate UTC offsets and precise business-hours data.

Seattle: UTC-7 New York: UTC-4 Difference: 3 hours Updated: May 2026
Timezone Comparison
🇺🇸
Seattle
UTC-7 · Washington, USA
🇺🇸
New York
UTC-4 · New York, USA

Time difference: 3 hours

Visualizing the 5-hour Working Day Overlap

🇺🇸 Seattle
9:00 AM – 2:00 PM
🇺🇸 New York
12:00 PM – 5:00 PM
UTC
4:00 PM – 9:00 PM
Shared window: 5h (9 AM–5 PM both cities)
Golden Overlap Hours
UTC Hour🇺🇸 Seattle (UTC-7)🇺🇸 New York (UTC-4)Status
16:009:00 AM12:00 PMGolden Window
17:0010:00 AM1:00 PMGolden Window
18:0011:00 AM2:00 PMGolden Window
19:0012:00 PM3:00 PMGolden Window
20:001:00 PM4:00 PMGolden Window

Try the Interactive Dial Planner

Drag to scrub through 24 hours. Live DST-accurate Temporal API logic.

OPEN PLANNER
Full 24-Hour Clock Reference
UTC🇺🇸 Seattle🇺🇸 New York
00:005:00 PM8:00 PM
01:006:00 PM9:00 PM
02:007:00 PM10:00 PM
03:008:00 PM11:00 PM
04:009:00 PM12:00 AM
05:0010:00 PM1:00 AM
06:0011:00 PM2:00 AM
07:0012:00 AM3:00 AM
08:001:00 AM4:00 AM
09:002:00 AM5:00 AM
10:003:00 AM6:00 AM
11:004:00 AM7:00 AM
12:005:00 AM8:00 AM
13:006:00 AM9:00 AM
14:007:00 AM10:00 AM
15:008:00 AM11:00 AM
16:009:00 AM12:00 PM
17:0010:00 AM1:00 PM
18:0011:00 AM2:00 PM
19:0012:00 PM3:00 PM
20:001:00 PM4:00 PM
21:002:00 PM5:00 PM
22:003:00 PM6:00 PM
23:004:00 PM7:00 PM
Frequently Asked Questions

What is the best time to schedule a meeting between Seattle and New York?

The golden overlap window, when both cities are within standard business hours (9 AM to 5 PM local), runs from 9:00 AM to 2:00 PM in Seattle and simultaneously from 12:00 PM to 5:00 PM in New York. That gives 5 hours of shared working time. Aim for the middle of this window for best participation.

What is the time difference between Seattle and New York?

Seattle operates on UTC-7 and New York operates on UTC-4, giving a time difference of 3 hours. This may shift by one hour during daylight saving time transitions.

When it is 9:00 AM in Seattle, what time is it in New York?

When it is 9:00 AM in Seattle (UTC-7), it is 12:00 PM in New York (UTC-4).

What are the working hours of Seattle expressed in New York local time?

A standard Seattle workday of 9 AM to 5 PM (UTC-7) corresponds to 12:00 PM to 8:00 PM local time in New York (UTC-4).

Does daylight saving time affect the time difference between Seattle and New York?

Yes. If either city observes daylight saving time (DST), the gap can shift by one hour during clock-change weekends. Always verify current UTC offsets with a live tool before scheduling important calls.

What is the UTC time for the Seattle to New York overlap window?

The shared business-hours window runs from 4:00 PM to 9:00 PM UTC. Scheduling in UTC avoids daylight saving edge cases and works reliably across all calendar apps.