"Sat, 04 May 2024 12:52:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
12:52:37
General datetime
2024-05-04 12:52:37Z
For Database
2024-05-04 12:52:37
For HTTP1.1
Sat, 04 May 2024 12:52:37 GMT