"Wed, 29 May 2024 21:04:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
21:04:00
General datetime
2024-05-29 21:04:00Z
For Database
2024-05-29 21:04:00
For HTTP1.1
Wed, 29 May 2024 21:04:00 GMT