"Mon, 20 Jan 2025 19:57:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
19:57:57
General datetime
2025-01-20 19:57:57Z
For Database
2025-01-20 19:57:57
For HTTP1.1
Mon, 20 Jan 2025 19:57:57 GMT