Gowri Nalla Neram, Choghadiya and Hora are three regional ways of labelling the hours of a day as good or difficult. Gowri Panchangam, used in Tamil Nadu and parts of Karnataka, and Choghadiya, used in Gujarat, Rajasthan, Maharashtra and much of North India, both split the daytime (sunrise to sunset) and the night into eight equal parts each and give every part a name. The Hora divides the day and the night into twelve parts each and gives every part to a planet, starting with the weekday's own lord at sunrise. Because the three grids cut the day differently, they can label the same hour differently; follow the one your family and region use.
☕ Three rulers laid across the same day
Gowri Panchangam (Nalla Neram). The daytime and the night are each cut into eight equal slices. Five labels are treated as good -- Amirdham, Uthi, Labam, Dhanam and Sugam -- and three are avoided for new beginnings -- Rogam, Visham and Soram. When a Tamil calendar prints 'nalla neram', it is usually pointing at the good Gowri slices of the morning and evening.
Choghadiya. The same eight-and-eight cut, with seven names: Amrit, Shubh and Labh are good, Char is good for movement and travel, and Udveg, Rog and Kaal are avoided. Each name stands for a planet, the names follow the planetary-hour order, and the first part of the day belongs to that weekday's lord.
Hora (Horai). A finer cut: twelve parts of the day and twelve of the night, each ruled by one of the seven classical planets in the order Saturn, Jupiter, Mars, Sun, Venus, Mercury, Moon, starting with the weekday's lord at sunrise. Jupiter and Venus horas are widely preferred for beginnings.
All three are measured from your own sunrise and sunset, so -- like Rahu Kalam -- they move from city to city and from season to season. A grid printed for 6 AM to 6 PM is only an approximation of any real day.
Which region reads which grid
- Tamil Nadu, Puducherry and the Tamil diaspora: Gowri Nalla Neram, Horai, Rahu Kalam, Yamagandam, Kuligai
- Karnataka: Gowri Panchanga alongside Rahu Kala, Gulika Kala and Yamaganda Kala
- Andhra Pradesh and Telangana: Durmuhurtham and Varjyam are read closely, with the good muhurtas of the day
- Gujarat, Rajasthan, Maharashtra, Madhya Pradesh and the Gujarati diaspora: Choghadiya, day and night
- Everywhere: the Hora, and Abhijit Muhurta at midday
- Reading a Choghadiya label and a Gowri label as the same judgement -- the grids are cut and named differently
- Using a grid printed for 6 AM to 6 PM instead of your real sunrise and sunset
- Treating a good slot as overriding Rahu Kalam -- most families avoid Rahu Kalam whatever the grid says
- Assuming 'Kaal' in Choghadiya and 'Kalam' in Rahu Kalam are the same window -- they are different systems
Frequently asked questions
Is Choghadiya the same as Gowri Nalla Neram?
They are close cousins but not the same. Both split the day and the night into eight parts each, but they use different names and assign them differently, so the same hour can carry a good label in one and a difficult one in the other. Choghadiya is read in Gujarat, Rajasthan, Maharashtra and North India; Gowri Nalla Neram in Tamil Nadu and parts of Karnataka.
What are the good Choghadiyas?
Amrit, Shubh and Labh are treated as good, and Char as good for travel and movement. Udveg, Rog and Kaal are avoided for new work.
How long is a Choghadiya or a Gowri slot?
One eighth of the daytime or of the night. On a day with exactly twelve hours of daylight that is 90 minutes; in summer the daytime slots are longer and the night slots shorter, and in winter the reverse.
What is the difference between Hora and Choghadiya?
A Hora is one twelfth of the day or night and is named after a planet; a Choghadiya is one eighth and carries one of seven names. The Choghadiya names themselves follow the planetary-hour order, which is why the two often point the same way even though they are cut differently.
Does Nava Panchangam show Choghadiya?
Not yet. Nava computes Gowri Nalla Neram, the Horai, Rahu Kalam, Yamagandam, Gulika Kalam, Abhijit, Durmuhurtham and Varjyam for your own city's sunrise and sunset. Choghadiya is not currently calculated.
Deep dive: the planets behind the Choghadiya names
Seven names, seven planets, and the same order as the planetary hours.
🪐 Udveg is the Sun, Amrit the Moon, Kaal Saturn
Each Choghadiya name stands for a graha, and the names repeat in the same order as the planetary hours:
The day's first part belongs to the weekday's own lord, so Sunday's daytime opens with Udveg and Monday's with Amrit. That is why a Choghadiya grid and a Hora grid, though cut into eights and twelfths, often lean the same way at the same hour.