Planted Germinated seeds.

Hi All here is what i have done,

I have planted the germinated seeds in coco, just about 1/2 inch deep taproot pointing down.

I have raised the 600w HPS to a metre high from the seedling tray & i have been keeping them moist using a spray bottle.

I have the oscilating fan on the seedling tray and it doesnt burn when i put my hand over the seedling tray.

temperature is 25 degrees celcius humidity is 47%

when should i expect to see it sprout through the soil?

Thanks
PR.

Ment to add, i have had the lights on from 1300 Today for the 1st day they are due to go off at midnight having been on for 11 hours and then they come on at 0600 - 0000 18/6 thanks.