"Fri, 14 Jun 2024 21:30:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
21:30:21
General datetime
2024-06-14 21:30:21Z
For Database
2024-06-14 21:30:21
For HTTP1.1
Fri, 14 Jun 2024 21:30:21 GMT