"Mon, 13 Jan 2025 03:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
03:20:20
General datetime
2025-01-13 03:20:20Z
For Database
2025-01-13 03:20:20
For HTTP1.1
Mon, 13 Jan 2025 03:20:20 GMT