"Sun, 29 Dec 2024 15:35:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
15:35:40
General datetime
2024-12-29 15:35:40Z
For Database
2024-12-29 15:35:40
For HTTP1.1
Sun, 29 Dec 2024 15:35:40 GMT