"Mon, 27 Jan 2025 19:20:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
19:20:56
General datetime
2025-01-27 19:20:56Z
For Database
2025-01-27 19:20:56
For HTTP1.1
Mon, 27 Jan 2025 19:20:56 GMT