"Mon, 17 Feb 2025 12:50:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
12:50:44
General datetime
2025-02-17 12:50:44Z
For Database
2025-02-17 12:50:44
For HTTP1.1
Mon, 17 Feb 2025 12:50:44 GMT