"Mon, 27 Jan 2025 21:49:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
21:49:30
General datetime
2025-01-27 21:49:30Z
For Database
2025-01-27 21:49:30
For HTTP1.1
Mon, 27 Jan 2025 21:49:30 GMT