"Sun, 02 Feb 2025 20:38:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250202
Only TIME
20:38:20
General datetime
2025-02-02 20:38:20Z
For Database
2025-02-02 20:38:20
For HTTP1.1
Sun, 02 Feb 2025 20:38:20 GMT