Unix Timestamp Converter
Convert seconds and milliseconds epoch timestamps to UTC, ISO 8601, and local timezone representations.
Your inputs are calculated locally in your browser. No personal data is sent across the network.
Detected: seconds
Accepts seconds (10d), ms (13d), µs (16d), ns (19d), ISO strings, SQL dates, or relative offsets.
Time Offset Adjustments
Human-Readable Time0 seconds ago
UTC Date Time
Wed, 07 Oct 2026 19:48:03 GMT
Local Timezone
10/8/2026, 1:18:03 AM
ISO 8601 String
2026-10-07T19:48:03.000Z
Epoch Seconds (s)
1791402483
Epoch Milliseconds (ms)
1791402483000
Day of Week
Thursday
Day of Year
Day 280
Week Number
Week 41
Leap Year
No (365d)
How to use this tool
1Step 1
Type a timestamp or pick a calendar date/time.
2Step 2
View converted UTC, ISO, local time, and relative elapsed time.
Frequently asked questions
Does it support both 10-digit and 13-digit timestamps?
Yes, both seconds (10-digit) and milliseconds (13-digit) epoch values are automatically recognized.