"Mon, 27 Jan 2025 11:18:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
11:18:35
General datetime
2025-01-27 11:18:35Z
For Database
2025-01-27 11:18:35
For HTTP1.1
Mon, 27 Jan 2025 11:18:35 GMT