"Mon, 13 Jan 2025 19:21:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
19:21:15
General datetime
2025-01-13 19:21:15Z
For Database
2025-01-13 19:21:15
For HTTP1.1
Mon, 13 Jan 2025 19:21:15 GMT