Mexico City to Rio Grande: time difference
Rio Grande is 2 h ahead of Mexico City. 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.
Mexico City 18:27 6:27 PM Rio Grande 20:27 8:27 PM You –:–
18:27 6:27 PM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:13
20:27 8:27 PM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:00
·
+2 h
Rio Grande is 2 h ahead of Mexico City.
When you, Mexico City and Rio Grande are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Mexico City
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
🇵🇷 Rio Grande
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇵🇷 Rio Grande |
|---|---|---|
| Local time | 18:27 | 20:27 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Standard Time | Atlantic Standard Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Mexico City | — | +2 h |
| IANA zone | America/Mexico City | America/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:32 | 06:18 |
| Sunset | 18:13 | 18:00 |
| Daylight | 11 h 41 min | 11 h 42 min |
| People on this clock | 9,209,944 | 13,467 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and Rio Grande: common questions
How many hours ahead of Mexico City is Rio Grande?
The clocks in Rio Grande are 2 hours ahead of those in Mexico City (UTC−4 and UTC−6).
What time is it in Rio Grande at the start of the working day in Mexico City?
The working day in Mexico City starts at 9:00 AM; in Rio Grande it is 11:00 AM at that moment.
What time is it in Rio Grande when it is 6:00 PM in Mexico City?
When it is 6:00 PM in Mexico City, it is 8:00 PM in Rio Grande.
When is a good time to call Rio Grande from Mexico City?
Between 9:00 AM and 4:00 PM in Mexico City – that is 11:00 AM to 6:00 PM in Rio Grande – both places are within working hours (9:00 AM–6:00 PM).
From what time in Mexico City is it tomorrow in Rio Grande?
Once it is 10:00 PM in Mexico City, the date in Rio Grande has already changed. Until 2:00 AM in Rio Grande, it is still the previous day in Mexico City.
Does the time gap between Mexico City and Rio Grande change during the year?
No, the clocks change neither in Mexico City nor in Rio Grande, so the gap is 2 hours all year round.
