23:59 UTC is 11:59 PM on the UTC clock — 7:59 PM in New York, 11:59 PM in London, 5:29 AM in Mumbai, 8:59 AM in Tokyo. It is minute 1,440 of the 1,440 in a day, with 0 still to come before midnight UTC.
23:59 UTC is the last minute of the UTC day. One minute later the date rolls over.
Converted for today, 2026-10-29, with daylight saving as it stands. In military and aviation time 23:59 UTC is written 2359Z, “Zulu”.
| City | Zone | 24-hour | 12-hour |
|---|---|---|---|
| Los Angeles | PDT | 16:59 | 4:59 PM |
| Denver | MDT | 17:59 | 5:59 PM |
| Chicago | CDT | 18:59 | 6:59 PM |
| New York | EDT | 19:59 | 7:59 PM |
| Toronto | EDT | 19:59 | 7:59 PM |
| Mexico City | CST | 17:59 | 5:59 PM |
| São Paulo | BRT | 20:59 | 8:59 PM |
| London | GMT | 23:59 | 11:59 PM |
| Lagos | WAT | 00:59next day | 12:59 AM |
| Paris | CET | 00:59next day | 12:59 AM |
| Berlin | CET | 00:59next day | 12:59 AM |
| Rome | CET | 00:59next day | 12:59 AM |
| Istanbul | TRT | 02:59next day | 2:59 AM |
| Dubai | GST | 03:59next day | 3:59 AM |
| Karachi | PKT | 04:59next day | 4:59 AM |
| Mumbai | IST | 05:29next day | 5:29 AM |
| Jakarta | WIB | 06:59next day | 6:59 AM |
| Singapore | SGT | 07:59next day | 7:59 AM |
| Manila | PHT | 07:59next day | 7:59 AM |
| Shanghai | CST | 07:59next day | 7:59 AM |
| Seoul | KST | 08:59next day | 8:59 AM |
| Tokyo | JST | 08:59next day | 8:59 AM |
| Sydney | AEDT | 10:59next day | 10:59 AM |
| Auckland | NZDT | 12:59next day | 12:59 PM |
On the1440.com every minute of the day is sold once. Whoever buys 23:59 UTC gets the whole front page from 23:59:00 to 23:59:59: their name in full-screen type, one line of copy and a link, with nothing else on the screen. It is a off-peak minute, so it costs $2.
Nothing yet. Every time 23:59 UTC has gone unsold, the1440.com showed dead air. The first name here is still up for grabs.