"Fri, 14 Jun 2024 09:57:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
09:57:21
General datetime
2024-06-14 09:57:21Z
For Database
2024-06-14 09:57:21
For HTTP1.1
Fri, 14 Jun 2024 09:57:21 GMT