"Sun, 19 Jan 2025 13:42:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
13:42:51
General datetime
2025-01-19 13:42:51Z
For Database
2025-01-19 13:42:51
For HTTP1.1
Sun, 19 Jan 2025 13:42:51 GMT