"Tue, 14 May 2024 19:59:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
19:59:49
General datetime
2024-05-14 19:59:49Z
For Database
2024-05-14 19:59:49
For HTTP1.1
Tue, 14 May 2024 19:59:49 GMT