"Sat, 29 Jun 2024 15:29:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
15:29:05
General datetime
2024-06-29 15:29:05Z
For Database
2024-06-29 15:29:05
For HTTP1.1
Sat, 29 Jun 2024 15:29:05 GMT