Good time calender or guide is based on ancient vedic calculation on 8 sements of day and 8 segments of night. Also look for brahma Muhurth on the same topic Use this pyrarhythm for good time,white spaces are good time always start work in good time.
So if you need to start from home for a meeting start at the white space time
Also look for “dugadiya” or “chogadiya” Ace Auspicious” in google play or iTunes for more detailed good time calender. Also called Dugaria or Chogaria can be researched in the book below
Look up the description and benefits in Pyramid Yantra for Vaastu Book on Page 85