"Sat, 29 Jun 2024 07:38:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
07:38:04
General datetime
2024-06-29 07:38:04Z
For Database
2024-06-29 07:38:04
For HTTP1.1
Sat, 29 Jun 2024 07:38:04 GMT