"Mon, 27 Jan 2025 18:43:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
18:43:58
General datetime
2025-01-27 18:43:58Z
For Database
2025-01-27 18:43:58
For HTTP1.1
Mon, 27 Jan 2025 18:43:58 GMT