"Fri, 12 Jul 2024 15:30:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240712
Only TIME
15:30:21
General datetime
2024-07-12 15:30:21Z
For Database
2024-07-12 15:30:21
For HTTP1.1
Fri, 12 Jul 2024 15:30:21 GMT