"Sat, 04 Jan 2025 13:34:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
13:34:21
General datetime
2025-01-04 13:34:21Z
For Database
2025-01-04 13:34:21
For HTTP1.1
Sat, 04 Jan 2025 13:34:21 GMT