Lisbon to Upper Marlboro, MD: time difference
Upper Marlboro, MD is 4 h behind Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 19:00 7:00 PM Upper Marlboro, MD 15:00 3:00 PM You –:–
19:00 7:00 PM
Western European Standard Time · UTC+0
☀️ 06:59 · 🌙 17:43
15:00 3:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:30 · 🌙 18:13
·
−4 h
Upper Marlboro, MD is 4 h behind Lisbon.
When you, Lisbon and Upper Marlboro, MD are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Upper Marlboro, MD
20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Upper Marlboro, MD |
|---|---|---|
| Local time | 19:00 | 15:00 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Western European Standard Time | Eastern Daylight Time |
| UTC offset | UTC+0 | UTC-4 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/New York |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:59 | 07:30 |
| Sunset | 17:43 | 18:13 |
| Daylight | 10 h 43 min | 10 h 42 min |
| People on this clock | 545,923 | 700 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Upper Marlboro, MD: common questions
How far behind Lisbon is Upper Marlboro, MD?
Upper Marlboro is 4 hours behind Lisbon: UTC−4 against UTC+0.
What time is it in Upper Marlboro, MD, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 5:00 AM in Upper Marlboro.
What time is it in Upper Marlboro, MD, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 2:00 PM in Upper Marlboro.
Is there a time when both Lisbon and Upper Marlboro, MD, are at work?
Yes: from 1:00 PM to 6:00 PM in Lisbon (9:00 AM to 2:00 PM in Upper Marlboro), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Upper Marlboro, MD?
Until 4:00 AM in Lisbon it is still the previous day in Upper Marlboro. The other way round, from 8:00 PM in Upper Marlboro it is already the next day in Lisbon.
Does the time gap between Lisbon and Upper Marlboro, MD, change during the year?
Yes, because the clocks in Lisbon and in Upper Marlboro change on different dates. Next change: from November 1, 2026, Upper Marlboro will be 5 hours behind Lisbon.
