π¦πΊ Newcastle β πΊπΈ Philadelphia
Newcastle is usually 14 hours ahead of Philadelphia. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.
Sunrise 6:57 AMSunset 4:57 PM(local)
Sunrise 5:36 AMSunset 8:34 PM(local)
π¦πΊ Newcastle
Dialing code+61
Population508,437
Coordinates32.93Β°S, 151.78Β°E
Elevation48 m
πΊπΈ Philadelphia
Dialing code+1
Population1,573,916
Coordinates39.95Β°N, 75.16Β°W
Elevation12 m
No comfortable common working hours β these cities barely overlap.
3 October 2026 β 1 November 2026: the gap is 15h instead of the usual 14h β Newcastle and Philadelphia change clocks on different days.
Working hours assumed 9:00β18:00.
Frequently asked questions
- What is the time difference between Newcastle and Philadelphia?
- Newcastle is 14 hours ahead of Philadelphia. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
- When is the best time to call between Newcastle and Philadelphia?
- There is no hour when standard working hours (9:00β18:00) overlap in both Newcastle and Philadelphia, so any call falls outside business hours for at least one side.
- Why does the time difference between Newcastle and Philadelphia change?
- Because Newcastle and Philadelphia switch to or from daylight saving time on different dates, the gap between them is temporarily larger or smaller for a few weeks around those changes.