"Tue, 18 Jun 2024 18:04:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
18:04:54
General datetime
2024-06-18 18:04:54Z
For Database
2024-06-18 18:04:54
For HTTP1.1
Tue, 18 Jun 2024 18:04:54 GMT