"Sat, 04 Jan 2025 13:23:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
13:23:57
General datetime
2025-01-04 13:23:57Z
For Database
2025-01-04 13:23:57
For HTTP1.1
Sat, 04 Jan 2025 13:23:57 GMT