"Tue, 21 Jan 2025 15:28:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
15:28:11
General datetime
2025-01-21 15:28:11Z
For Database
2025-01-21 15:28:11
For HTTP1.1
Tue, 21 Jan 2025 15:28:11 GMT