"Mon, 29 Apr 2024 19:59:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
19:59:15
General datetime
2024-04-29 19:59:15Z
For Database
2024-04-29 19:59:15
For HTTP1.1
Mon, 29 Apr 2024 19:59:15 GMT