"Mon, 17 Feb 2025 18:44:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
18:44:06
General datetime
2025-02-17 18:44:06Z
For Database
2025-02-17 18:44:06
For HTTP1.1
Mon, 17 Feb 2025 18:44:06 GMT