Choghadiya is used for looking up times to start new work or anything auspicious. Day and Night timings are provided, between sunrise and sunset is called day Choghadiya and the time between sunset and sunrise the next day is called night Choghadiya.
Amrit, Shubh, Labh and Char are auspicious Rog, Kaal and Udveg, should be avoided.
NOTE: This should be used in combination with the panchang tool. At the very least the inauspicious times shown in panchang should be avoided, even if it shows auspicious here.