Unix Time Converter
Convert between Unix timestamps and human-readable dates across different time zones
Unix Time Conversion
Seconds since January 1, 1970 (UTC)
Select your target time zone
Conversion Result
Enter a Unix timestamp to see the conversion result
Common Unix Timestamps
Time Unit Reference
Current Unix Time
Historical Unix Timestamps
Quick Tips
Unix time counts seconds since January 1, 1970 UTC
32-bit systems will overflow on January 19, 2038
Unix time is timezone-independent
Commonly used in programming and databases
Understanding Unix Time
What is Unix Time?
Unix time (also known as Unix timestamp, Unix epoch time, or POSIX time) is a system for describing points in time. It is the number of seconds that have elapsed since January 1, 1970, at 00:00:00 UTC (excluding leap seconds).
Why is it Useful?
- •Universal time representation across systems
- •Timezone-independent time storage
- •Easy time arithmetic and comparison
- •Standardized format for programming
The 2038 Problem
The Year 2038 problem (Y2K38) affects systems using 32-bit signed integers to store Unix timestamps. On January 19, 2038, at 03:14:07 UTC, these systems will experience integer overflow and may display incorrect dates.
Solution: Modern systems use 64-bit integers, which can handle dates far into the future (over 290 billion years from the Unix epoch).
Manual Conversion
Unix to Date:
1. Divide by 86,400 to get days since epoch
2. Add to January 1, 1970
3. Convert remainder seconds to hours/minutes/seconds
Date to Unix:
1. Calculate days since January 1, 1970
2. Multiply by 86,400
3. Add time in seconds