"Fri, 14 Feb 2025 20:38:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250214
Only TIME
20:38:03
General datetime
2025-02-14 20:38:03Z
For Database
2025-02-14 20:38:03
For HTTP1.1
Fri, 14 Feb 2025 20:38:03 GMT