"Sat, 29 Jun 2024 00:02:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
00:02:04
General datetime
2024-06-29 00:02:04Z
For Database
2024-06-29 00:02:04
For HTTP1.1
Sat, 29 Jun 2024 00:02:04 GMT