Eight parts of the day and eight of the night — sixteen in all. Amrit, Shubh, Labh and Char are held auspicious; Kaal, Rog and Udveg are not.
Day choghadiya
Time
Name
Nature
Good for
5:42 AM – 7:06 AM
Rog
avoid
obstacles tend to come of it
7:06 AM – 8:31 AM
Udveg
avoid
do not begin anything that matters
8:31 AM – 9:55 AM
Char
fair
for travel and anything that moves
9:55 AM – 11:20 AM
Labh
gain
for trade and anything meant to profit
11:20 AM – 12:45 PM
Amrit
best
the best time of the day for anything auspicious
12:45 PM – 2:09 PM
Kaal
bad
nothing important should be started
2:09 PM – 3:34 PM
Shubh
good
for auspicious and ceremonial work
3:34 PM – 4:58 PM
Rog
avoid
obstacles tend to come of it
Night choghadiya
Time
Name
Nature
Good for
4:58 PM – 6:34 PM
Kaal
bad
nothing important should be started
6:34 PM – 8:09 PM
Labh
gain
for trade and anything meant to profit
8:09 PM – 9:45 PM
Udveg
avoid
do not begin anything that matters
9:45 PM – 11:20 PM
Shubh
good
for auspicious and ceremonial work
11:20 PM – 12:56 AM
Amrit
best
the best time of the day for anything auspicious
12:56 AM – 2:31 AM
Char
fair
for travel and anything that moves
2:31 AM – 4:07 AM
Rog
avoid
obstacles tend to come of it
4:07 AM – 5:42 AM
Kaal
bad
Through the year in Kolkata
The day in Kolkata changes a great deal across the year. One part is 1h 21m at its shortest and 1h 41m at its longest — so the same slot on the same weekday is not the same length in June as in December.