Offset
The time difference between Auckland and San José is 18 hours.
Auckland (NZST) is ahead of San José (CST).
NZST: UTC+12
CST: UTC-6
Neither Auckland nor San José is currently observing daylight saving time.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Auckland and San José don't overlap on the same weekday. San José is 18 hours behind Auckland.
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.
This window may shift by an hour during daylight saving time.
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.
New Zealand
- New Year's DayThu, Jan 1
- Day after New Year's DayFri, Jan 2
- Waitangi DayFri, Feb 6
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Anzac DayMon, Apr 27
- King's BirthdayMon, Jun 1
- MatarikiFri, Jul 10
- Labour DayMon, Oct 26
- Christmas DayFri, Dec 25
- Boxing DayMon, Dec 28
Costa Rica
- New Year's DayThu, Jan 1
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Juan Santamaría DaySat, Apr 11
- Labour DayFri, May 1
- Annexation of the Party of Nicoya to Costa RicaSat, Jul 25
- Feast of Our Lady of the AngelsSun, Aug 2
- Mother's DaySat, Aug 15
- Independence DayTue, Sep 15
- Army Abolition DayTue, Dec 1
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Auckland | San José | Day |
|---|---|---|
| 12:00 am | 6:00 am | -1 day |
| 1:00 am | 7:00 am | -1 day |
| 2:00 am | 8:00 am | -1 day |
| 3:00 am | 9:00 am | -1 day |
| 4:00 am | 10:00 am | -1 day |
| 5:00 am | 11:00 am | -1 day |
| 6:00 am | 12:00 pm | -1 day |
| 7:00 am | 1:00 pm | -1 day |
| 8:00 am | 2:00 pm | -1 day |
| 9:00 am | 3:00 pm | -1 day |
| 10:00 am | 4:00 pm | -1 day |
| 11:00 am | 5:00 pm | -1 day |
| 12:00 pm | 6:00 pm | -1 day |
| 1:00 pm | 7:00 pm | -1 day |
| 2:00 pm | 8:00 pm | -1 day |
| 3:00 pm | 9:00 pm | -1 day |
| 4:00 pm | 10:00 pm | -1 day |
| 5:00 pm | 11:00 pm | -1 day |
| 6:00 pm | 12:00 am | Same day |
| 7:00 pm | 1:00 am | Same day |
| 8:00 pm | 2:00 am | Same day |
| 9:00 pm | 3:00 am | Same day |
| 10:00 pm | 4:00 am | Same day |
| 11:00 pm | 5:00 am | Same day |
Daylight saving time
Auckland observes daylight saving time; San José does not. The offset between the two zones changes when Auckland transitions: on Sunday, September 27, 2026, clocks spring forward from NZST to NZDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:29 AM
- Sunset
- 5:12 PM
- Day length
- 9h 43m
- Sunrise
- 5:16 AM
- Sunset
- 5:57 PM
- Day length
- 12h 41m
Daylight overlap: 4h 27m — 7:29 AM–11:57 AM in Auckland (1:29 PM–5:57 PM in San José). Both locations are in daylight during this window.
Cities in these zones
Other cities in New Zealand Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in New Zealand Time
- AKL
- CHC
- WLG
Airports in Central Standard Time
- SJO
- SYQ
Related conversions
Common conversions
- What is 9:00 am Auckland in San José?
- 9:00 am Auckland is 3:00 pm San José, the previous day.
- What is 12:00 pm Auckland in San José?
- 12:00 pm Auckland is 6:00 pm San José, the previous day.
- What is 12:30 pm Auckland in San José?
- 12:30 pm Auckland is 6:30 pm San José, the previous day.
- What is 2:00 pm Auckland in San José?
- 2:00 pm Auckland is 8:00 pm San José, the previous day.
- What is 5:00 pm Auckland in San José?
- 5:00 pm Auckland is 11:00 pm San José, the previous day.
- What is 11:30 pm Auckland in San José?
- 11:30 pm Auckland is 5:30 am San José.