"Sat, 29 Jun 2024 23:07:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
23:07:21
General datetime
2024-06-29 23:07:21Z
For Database
2024-06-29 23:07:21
For HTTP1.1
Sat, 29 Jun 2024 23:07:21 GMT