How long until 11:59 PM?
It is -- hours, -- minutes, -- seconds until 11:59 PM.
Countdown to Any Time
Set an exact hour and minute or choose a quick daily milestone.
Global Timezones
Countdown until 11:59 PM in key world regions.
New York
United States
London
United Kingdom
Paris
France
Dubai
UAE
Mumbai
India
Singapore
Singapore
Tokyo
Japan
Sydney
Australia
Temporal Geometry & Angle
Clock face hands separation & diurnal progress.
- Clock Face Angle: Hour and minute hands separated by 5.5°.
- Alternative Formats: 24-Hour: 23:59 | Military: 2359.
- Granular Deltas: Exactly 217m (13,068s) from reference.
Biological & Market Rhythm
Circadian hormone phases and global market events.
The body transitions into early stages of sleep. Heart rate slows and blood pressure drops as relaxation deepens.
Explore Related Times
Harmonic temporal lattice with continuous adjacent intervals and hourly coordinates.
Immediate Minutes (±1m, ±2m, ±3m)
Same Minute Across Hours (±1h, ±2h, ±3h)
This Hour's Key Waypoints
Daily Anchors & Shifts
Frequently Asked Questions
Comprehensive temporal metrics, conversions, and chronobiological context for 11:59 PM.
How do I set an audio alarm for when the timer reaches 11:59 PM?
Click "Set Alarm" on the action toolbelt. When the live countdown reaches exactly 00:00:00 for 11:59 PM, a harmonic chime alarm will ring in real-time until dismissed.
What is 11:59 PM across all 4 major US continental time zones?
When the clock strikes 11:59 PM Eastern (EST/EDT), it is simultaneously 10:59 PM Central (CST/CDT), 9:59 PM Mountain (MST/MDT), and 8:59 PM Pacific (PST/PDT).
What percentage of the 24-hour day has elapsed by 11:59 PM?
By 11:59 PM, exactly 99.93% of the day has completed (1,439 of 1,440 total minutes), leaving 1 minutes (60 seconds) remaining in the diurnal cycle.
How do you write 11:59 PM in 24-hour and military time?
In standard 24-hour notation, 11:59 PM is written as 23:59. In official military time format, it is denoted as 2359 hours without a colon.