"Sat, 29 Jun 2024 07:50:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
07:50:21
General datetime
2024-06-29 07:50:21Z
For Database
2024-06-29 07:50:21
For HTTP1.1
Sat, 29 Jun 2024 07:50:21 GMT