"Sat, 11 May 2024 10:51:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
10:51:39
General datetime
2024-05-11 10:51:39Z
For Database
2024-05-11 10:51:39
For HTTP1.1
Sat, 11 May 2024 10:51:39 GMT