Date & Time
Parse, normalize, and display ISO 8601 date values.
Date-times require Z or an explicit offset. Date-only values are accepted but are not treated as midnight instants.
Date-times require Z or an explicit offset. Date-only values are accepted but are not treated as midnight instants.
Paste a strict ISO 8601 value, parse it locally, then copy the UTC, offset-preserving, local, or Unix representation you need.
Parse strict ISO 8601 dates and instants locally, normalize offsets to UTC, preserve fractional precision, and inspect Unix and component values without ambiguous browser parsing.