"Tue, 14 May 2024 19:59:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
19:59:18
General datetime
2024-05-14 19:59:18Z
For Database
2024-05-14 19:59:18
For HTTP1.1
Tue, 14 May 2024 19:59:18 GMT