Unix timestamp converter
Convert Unix timestamps to human-readable dates and vice versa. Shows millisecond timestamps and ISO 8601 format.
- Free, no sign-up
- No data stored
- Reviewed 2026-01-15
Your details
Results
Local datetime
2026-08-22 17:54:32UTC
Saturday, 22 August 2026
- Unix seconds
- 1787421272
- Unix milliseconds
- 1787421272000
- UTC time
- 2026-08-22 17:54:32Z
- Iso 8601
- 2026-08-22T17:54:32+00:00
- Relative
- 0 s ago
- Week number
- W34
Snippets
// JavaScript
new Date(1787421272000).toISOString();
// PHP
(new DateTimeImmutable('@1787421272'))->format('c');
// Python
from datetime import datetime, timezone
datetime.fromtimestamp(1787421272, timezone.utc)
// SQL (MySQL)
SELECT FROM_UNIXTIME(1787421272);Formats table
| Format | Value |
|---|---|
| ISO 8601 | 2026-08-22T17:54:32+00:00 |
| RFC 2822 | Sat, 22 Aug 2026 17:54:32 +0000 |
| RFC 3339 | 2026-08-22T17:54:32.000+00:00 |
| SQL DATETIME | 2026-08-22 17:54:32 |
| HTTP header | Sat, 22 Aug 2026 17:54:32 GMT |
| Unix (s) | 1787421272 |
| Unix (ms) | 1787421272000 |
| Excel serial | 46,256.746204 |
| Day of year | 234 |
About the Unix Timestamp Converter
Convert between Unix epoch timestamps (seconds since 1 January 1970 UTC) and human-readable date-time strings. Supports millisecond timestamps and ISO 8601 output. Select a timezone for local display.
How to use the Unix Timestamp Converter
- Choose direction: timestamp → date or date → timestamp.
- Enter the value.
- Select the target timezone.
- View the result in multiple formats.
Frequently asked questions
What is the Unix epoch?
1 January 1970 00:00:00 UTC. All Unix timestamps count seconds from this point.
What is the Y2K38 problem?
32-bit signed integers overflow on 19 January 2038. Modern 64-bit systems are not affected.
How do I handle millisecond timestamps?
If your timestamp has 13 digits, it is in milliseconds. The converter auto-detects and converts correctly.