What are days for?

cccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc ccccccccccccccccccccccccc2222c2ccccccccccccccccc cccccccccccccccccc222222222222222cccccccccc0cccc ccccccccccccccc22222222222222222c200cccccccc00cc ccccccccccccc2222222222222222222202000cccccc0ccc cccccccccc22222222222222222222222202000ccccc0ccc ccccccc222222222222222222223322222222000cccccccc cccc22222222222222222222222322222222222ccccccccc cccc222222222232222222222333222222222220cccccccc ccc2222222222233322222222322222222222222cccccccc cc22222222222222333222222222222222222222cccccccc cc222222222222222233222222222222222222222ccccccc c222222222222222222232222222222222222222222ccccc 2222222222222222222222202222233332222222222ccccc 22222222222222222222222022233322222222222222c0cc 222222222222222223322220222222222222222222222ccc c22222222233333222222222222222222222222222222ccc cc222222222222222222222222322222222222222222cccc cccc222222222222222222222223222222222222222220cc ccccc2222222222222222222322222222222222222c2cccc cccccc2222222222222233223222223222222222222ccccc cccccccc02222222222232223222223222222222cccccccc cccccccc00222222222222223322222222222200cccccccc ccccccccc0002202222222222322222222222ccccccccccc cccccccccccccc2222222222233222222222cccccccccccc ccccccccccccccccc22222222222222ccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccccccccccccccccccc ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ .......................0........................ .......................0........................ .......................0........................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ Enter_a_day_dream I