Pentacle of sun

what i meant was- can i use it everyday for 6 hours starting from sunday? or can i leave it burning till it gets finished?

You can do both depending on what you feel is right for you. Burning it continuously without snuffing it until it is finished is up to you, since this is a conjure candle and not a spelled candle not sure if it’s beneficial. You can burn it for 6 hours every day and it will need to be relit during their hour as it won’t be their day and giving thanks to the spirits of that day. You also don’t need to burn it until it is done, you can burn it for 6hours, snuff it and reuse it later when needed.