The length of time a star burns depends on its temperature and mass. It's certainly not possible to calculate this to the level of precision of seconds, and it's difficult to do so to the level of precision of millennia.
All stars 'burn' hydrogen
The duration of Burn It is 1740.0 seconds.
The duration of My Stars is 720.0 seconds.
The duration of WWE After Burn is 2700.0 seconds.
The duration of C.U. Burn is 1800.0 seconds.
Five seconds.
If you hold them for three seconds each, you burn approximately 5 calories burn lunge depending on your weight.
The duration of Canadian Stars is 1800.0 seconds.
The duration of Children of the Stars is 2940.0 seconds.
The duration of Stars of Tomorrow is 1800.0 seconds.
The duration of Shower of Stars is 3600.0 seconds.
The duration of Before They Were Stars is 1800.0 seconds.