Offset
The time difference between Shanghai and Callao is 13 hours.
Shanghai (CST) is ahead of Callao (PET).
CST: UTC+8
PET: UTC-5
Neither Shanghai nor Callao is currently observing daylight saving time.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Shanghai and Callao don't overlap on the same weekday. Callao is 13 hours behind Shanghai.
Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
China
- New Year's DayThu, Jan 1
- Chinese New Year (Spring Festival)Tue, Feb 17
- Labour DayFri, May 1
- Dragon Boat FestivalFri, Jun 19
- Mid-Autumn FestivalFri, Sep 25
- National DayThu, Oct 1
Peru
- New Year's DayThu, Jan 1
- Holy ThursdayThu, Apr 2
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- International Workers' DayFri, May 1
- Saint Peter and Saint PaulMon, Jun 29
- Independence DayTue, Jul 28
- Independence DayWed, Jul 29
- Santa Rosa de LimaSun, Aug 30
- Battle of AngamosThu, Oct 8
- All Saints DaySun, Nov 1
- Immaculate ConceptionTue, Dec 8
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Shanghai | Callao | Day |
|---|---|---|
| 12:00 am | 11:00 am | -1 day |
| 1:00 am | 12:00 pm | -1 day |
| 2:00 am | 1:00 pm | -1 day |
| 3:00 am | 2:00 pm | -1 day |
| 4:00 am | 3:00 pm | -1 day |
| 5:00 am | 4:00 pm | -1 day |
| 6:00 am | 5:00 pm | -1 day |
| 7:00 am | 6:00 pm | -1 day |
| 8:00 am | 7:00 pm | -1 day |
| 9:00 am | 8:00 pm | -1 day |
| 10:00 am | 9:00 pm | -1 day |
| 11:00 am | 10:00 pm | -1 day |
| 12:00 pm | 11:00 pm | -1 day |
| 1:00 pm | 12:00 am | Same day |
| 2:00 pm | 1:00 am | Same day |
| 3:00 pm | 2:00 am | Same day |
| 4:00 pm | 3:00 am | Same day |
| 5:00 pm | 4:00 am | Same day |
| 6:00 pm | 5:00 am | Same day |
| 7:00 pm | 6:00 am | Same day |
| 8:00 pm | 7:00 am | Same day |
| 9:00 pm | 8:00 am | Same day |
| 10:00 pm | 9:00 am | Same day |
| 11:00 pm | 10:00 am | Same day |
Daylight saving time
Neither Shanghai nor Callao observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:05 AM
- Sunset
- 6:58 PM
- Day length
- 13h 53m
- Sunrise
- 6:30 AM
- Sunset
- 6:01 PM
- Day length
- 11h 31m
Cities in these zones
Other cities in China Standard Time
Other cities in Peru Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Airports in Peru Time
- LIM
Related conversions
Common conversions
- What is 9:00 am Shanghai in Callao?
- 9:00 am Shanghai is 8:00 pm Callao, the previous day.
- What is 12:00 pm Shanghai in Callao?
- 12:00 pm Shanghai is 11:00 pm Callao, the previous day.
- What is 12:30 pm Shanghai in Callao?
- 12:30 pm Shanghai is 11:30 pm Callao, the previous day.
- What is 2:00 pm Shanghai in Callao?
- 2:00 pm Shanghai is 1:00 am Callao.
- What is 5:00 pm Shanghai in Callao?
- 5:00 pm Shanghai is 4:00 am Callao.
- What is 11:30 pm Shanghai in Callao?
- 11:30 pm Shanghai is 10:30 am Callao.