"Mon, 17 Feb 2025 23:47:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
23:47:28
General datetime
2025-02-17 23:47:28Z
For Database
2025-02-17 23:47:28
For HTTP1.1
Mon, 17 Feb 2025 23:47:28 GMT