Karana
A karana is half of a tithi, so there are usually two in a day. There are eleven names in all. One of them, Vishti (also called Bhadra), is traditionally avoided for new beginnings.
What do these mean?
Rahu kalam · Yamagandam · Gulika kalam · Abhijit muhurtham · Sunrise and sunset · Tithi · Paksha · Nakshatra · Yoga · Panchangam