EST vs NZST
Eastern Time (US & Canada) (EST/EDT) is UTC−5 in winter and UTC−4 in summer. New Zealand Time (NZST/NZDT) is UTC+13 in winter and UTC+12 in summer.
Because the two regions change their clocks on different dates, the gap changes during the year: 18 hours ahead in the northern winter and 16 hours ahead in summer, with a few weeks in spring and autumn where it's an hour different again. The converter uses the exact rules for the date you choose.
EST to NZST conversion table
Summer (daylight saving) times, mid-July:
| EST/EDT | NZST/NZDT |
|---|---|
| 12:00 AM | 4:00 PM |
| 6:00 AM | 10:00 PM |
| 8:00 AM | 12:00 AM (+1 day) |
| 9:00 AM | 1:00 AM (+1 day) |
| 10:00 AM | 2:00 AM (+1 day) |
| 12:00 PM | 4:00 AM (+1 day) |
| 2:00 PM | 6:00 AM (+1 day) |
| 3:00 PM | 7:00 AM (+1 day) |
| 5:00 PM | 9:00 AM (+1 day) |
| 6:00 PM | 10:00 AM (+1 day) |
| 8:00 PM | 12:00 PM (+1 day) |
| 10:00 PM | 2:00 PM (+1 day) |
Winter (standard) times, mid-January:
| EST | NZST |
|---|---|
| 12:00 AM | 6:00 PM |
| 6:00 AM | 12:00 AM (+1 day) |
| 8:00 AM | 2:00 AM (+1 day) |
| 9:00 AM | 3:00 AM (+1 day) |
| 10:00 AM | 4:00 AM (+1 day) |
| 12:00 PM | 6:00 AM (+1 day) |
| 2:00 PM | 8:00 AM (+1 day) |
| 3:00 PM | 9:00 AM (+1 day) |
| 5:00 PM | 11:00 AM (+1 day) |
| 6:00 PM | 12:00 PM (+1 day) |
| 8:00 PM | 2:00 PM (+1 day) |
| 10:00 PM | 4:00 PM (+1 day) |
Scheduling between EST and NZST
With 16 hours between them there is little or no overlap in normal working hours; one side will be early morning or evening. 8 AM EST is 12:00 AM NZST (+1 day), and 6 PM EST is 10:00 AM NZST (+1 day). Always write the city alongside the abbreviation in invites — several abbreviations (CST, IST, AST) are used by more than one region.
Related conversions
PST to EST · EST to PST · CST to EST · EST to CST · MST to EST · EST to MST · EST to AST · AST to EST · UTC to EST · EST to UTC · all zones