--relative-date::
Synonym for `--date=relative`.
---date=(relative|local|default|iso|rfc|short|raw)::
+--date=(relative|local|default|iso|iso-strict|rfc|short|raw)::
Only takes effect for dates shown in human-readable format, such
as when using `--pretty`. `log.date` config variable sets a default
value for the log command's `--date` option.
+
`--date=local` shows timestamps in user's local time zone.
+
-`--date=iso` (or `--date=iso8601`) shows timestamps in ISO 8601 format.
+`--date=iso` (or `--date=iso8601`) shows timestamps in a ISO 8601-like format.
+The differences to the strict ISO 8601 format are:
+
+ - a space instead of the `T` date/time delimiter
+ - a space between time and time zone
+ - no colon between hours and minutes of the time zone
+
++
+`--date=iso-strict` (or `--date=iso8601-strict`) shows timestamps in strict
+ISO 8601 format.
+
`--date=rfc` (or `--date=rfc2822`) shows timestamps in RFC 2822
format, often found in email messages.