"Mon, 27 Jan 2025 07:38:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
07:38:51
General datetime
2025-01-27 07:38:51Z
For Database
2025-01-27 07:38:51
For HTTP1.1
Mon, 27 Jan 2025 07:38:51 GMT