"Mon, 13 Jan 2025 21:55:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
21:55:46
General datetime
2025-01-13 21:55:46Z
For Database
2025-01-13 21:55:46
For HTTP1.1
Mon, 13 Jan 2025 21:55:46 GMT