"Sat, 22 Feb 2025 19:32:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250222
Only TIME
19:32:42
General datetime
2025-02-22 19:32:42Z
For Database
2025-02-22 19:32:42
For HTTP1.1
Sat, 22 Feb 2025 19:32:42 GMT