Lisbon to San Marcos, TX: time difference
San Marcos, TX is 6 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 11:45 11:45 AM San Marcos, TX 05:45 5:45 AM You –:–
11:45 11:45 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
05:45 5:45 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:59
·
−6 h
San Marcos, TX is 6 h behind Lisbon.
When you, Lisbon and San Marcos, TX 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
🇺🇸 San Marcos, TX
18 6 PM 19 7 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 San Marcos, TX |
|---|---|---|
| Local time | 11:45 | 05:45 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Lisbon | — | −6 h |
| IANA zone | Europe/Lisbon | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:49 | 07:36 |
| Sunset | 18:56 | 18:59 |
| Daylight | 11 h 7 min | 11 h 23 min |
| People on this clock | 545,923 | 44,894 |
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 San Marcos, TX: common questions
How many hours behind Lisbon is San Marcos, TX?
The clocks in San Marcos are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
What time is it in San Marcos, TX, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in San Marcos it is 3:00 AM at that moment.
What time is it in San Marcos, TX, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in San Marcos it is 12:00 PM at that moment.
When do working hours in Lisbon and in San Marcos, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 12:00 PM in San Marcos.
When does the date change in San Marcos, TX, compared with Lisbon?
The new day starts in San Marcos later: until 6:00 AM in Lisbon, it is still the previous day there. From 6:00 PM in San Marcos, Lisbon is already on the next day.
Does the time difference between Lisbon and San Marcos, TX, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, San Marcos will be 5 hours behind Lisbon.
