"Sat, 04 May 2024 16:24:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
16:24:15
General datetime
2024-05-04 16:24:15Z
For Database
2024-05-04 16:24:15
For HTTP1.1
Sat, 04 May 2024 16:24:15 GMT