"Tue, 14 May 2024 20:20:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
20:20:47
General datetime
2024-05-14 20:20:47Z
For Database
2024-05-14 20:20:47
For HTTP1.1
Tue, 14 May 2024 20:20:47 GMT