Epoch Unix Timestamp Converter

Convert Unix timestamps to readable UTC and local dates, or translate human dates to Epoch timestamps with microsecond precision. Complete with live clock and presets.

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Live Unix Epoch Clock
0000000000
Refreshing UTC...
Refreshing Local...
Convert Epoch to Date
Benchmarks:
Decoded Dates & Zones
Local Time --
UTC / GMT Time --
ISO 8601 --
US Eastern (EST/EDT) --
US Pacific (PST/PDT) --
India Time (IST) --
Relative Duration --
Format Precision --
Convert Date to Epoch
Decoded Timestamps
Epoch (Seconds) --
Epoch (Milliseconds) --
Local String --
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Epoch Unix Math Definitions

Unix time counts time by absolute, calendar-invariant integer ticks. It uses standard conversions to map back to Gregorian scales:

1 Millisecond = 0.001 Seconds  •  1 Minute = 60 Seconds  •  1 Hour = 3,600 Seconds
1 Day = 86,400 Seconds  •  1 Year = 31,536,000 Seconds (Non-Leap)

To convert Epoch seconds directly into JavaScript Date objects, multiply the seconds value by 1,000 to construct standard millisecond-precision entities:

DateObj = new Date( EpochSeconds * 1000 )
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Frequently Asked Questions

Standard Unix time ignores leap seconds completely. On years where a leap second is added, the epoch clock repeats the final second digit of the day, resulting in a dual-epoch timestamp mapping that standardizes coordinate systems across database storage arrays.

On January 19, 2038, systems storing Unix time as signed 32-bit integers will overflow (known as the Year 2038 problem or Y2K38), resetting their times to 1901. Modern environments mitigate this by transitioning database variables and server architectures to signed 64-bit systems, which hold capacity for billions of years.

Yes. The translation of dates and epoch parameters is processed entirely locally inside your browser client using Javascript Date components, ensuring total data security and private computation.