What is Yankee time (Y)?
Yankee (Y) is the NATO letter for UTC−12. Military and aviation messages write a time in this zone as four digits plus the letter, for example 0900Y for 09:00 at UTC−12.
Yankee time zone (Y) at a glance
The military time zone Y ("Yankee") is UTC−12. A time in this zone is written with the letter as a suffix, for example 0621Y.
Time in Yankee (Y) vs major world cities
| City | Local time | Difference from Yankee (Y) |
|---|---|---|
| New York | Thu | 4 hours behind |
| Los Angeles | Thu | 7 hours behind |
| London | Thu | 1 hour ahead |
| Paris | Thu | 2 hours ahead |
| Dubai | Thu | 4 hours ahead |
| Mumbai | Thu | 5.5 hours ahead |
| Singapore | Fri | 8 hours ahead |
| Tokyo | Fri | 9 hours ahead |
| Sydney | Fri | 10 hours ahead |
| Johannesburg | Thu | 2 hours ahead |
| São Paulo | Thu | 3 hours behind |
| Chicago | Thu | 5 hours behind |
October 2026 calendar for Yankee (Y)
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
Frequently asked questions about Yankee (Y)
What is Yankee time?
Yankee (Y) is the military time zone for UTC−12.