"Sat, 22 Feb 2025 20:38:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250222
Only TIME
20:38:01
General datetime
2025-02-22 20:38:01Z
For Database
2025-02-22 20:38:01
For HTTP1.1
Sat, 22 Feb 2025 20:38:01 GMT