Date Studio

Date Studio

Convert between date formats, count the span between two dates, project an end date from a start date, or browse holidays across a selected range.

Detected Format
Offset-aware date/time
Parsed the input with an explicit UTC or offset designator.
Format Converter

Paste a timestamp or date string and the parser will try to infer the input type automatically, then render multiple output formats at once.

Auto-detect supports Unix seconds, milliseconds, and microseconds, .NET ticks, ISO and RFC date strings, compact year-first values, and common human date formats. Ambiguous month/day inputs are flagged instead of guessed silently.
Detection Notes
Parsed the input with an explicit UTC or offset designator.
Detected

Format Results

All Formats
Detected Type
Offset-aware date/time
Parsed the input with an explicit UTC or offset designator.
Resolved Instant
2026-04-21 08:21:53 +00:00
Preserved offset or assumed local time.
Unix Seconds
1776759713
9 shown, 23 more in advanced.
Output

Converted Formats

2026-04-21 08:21:53 UTC
ISO 8601 (preserved offset)
Standard
2026-04-21T08:21:53.7517897+00:00
Round-trip format using the detected or assumed offset.
ISO 8601 (UTC)
Standard
2026-04-21T08:21:53.7517897+00:00
UTC-normalized round-trip format.
RFC 1123 / HTTP
Standard
Tue, 21 Apr 2026 08:21:53 GMT
HTTP date header style, always GMT/UTC.
Unix seconds
Epoch
1776759713
Seconds since 1970-01-01T00:00:00Z.
Unix milliseconds
Epoch
1776759713751
Milliseconds since 1970-01-01T00:00:00Z.
Date only (ISO)
Date
2026-04-21
Plain calendar date without a time component.
HTML datetime-local
Input
2026-04-21T08:21
Suitable for browser datetime-local inputs.
Browser local time
Display
2026-04-21 08:21:53 +00:00
Rendered in the browser's current local timezone.
UTC display
Display
2026-04-21 08:21:53 UTC
Human-readable UTC display string.
An unhandled error has occurred.
Reload