"Mon, 27 Jan 2025 15:27:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
15:27:35
General datetime
2025-01-27 15:27:35Z
For Database
2025-01-27 15:27:35
For HTTP1.1
Mon, 27 Jan 2025 15:27:35 GMT