Choghadiya in Bangalore — slot lengths, sunrise anchor and the full grid

Bangalore, at 12.97°N, has the steadiest choghadiya grid of the eleven cities here. Its daylight swings only 1h 32m across the year, so a slot moves just 12 minutes — 1h 25m in December to 1h 37m in June — against Delhi’s 28. With solar noon lagging the clock by 19.6 minutes, it is the one Indian city where a remembered timing very nearly survives the seasons.

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In Bangalore, Karnataka, a daylight choghadiya runs 1h 25m to 1h 37m, sunrise moves 54m across the year, and solar noon sits 19.6 minutes behind the clock. All three computed at 12.97°N 77.59°E.

Everything about slot length is latitude, and Bangalore is the closest of these eleven cities to the equator except Chennai. The consequence is a grid that is almost seasonally stable — which changes what the system is like to actually use.

A Delhi resident who memorises "Labh runs late morning" is wrong by a quarter of an hour half the year. A Bangalore resident making the same shortcut is wrong by six or seven minutes at worst.

That is a real difference in usability, and it is worth naming because it explains why habits around choghadiya vary regionally in ways that have nothing to do with belief.

Twelve minutes of movement, all year

On 21 June Bangalore’s daylight runs 05:55 to 18:48 — 12h 54m, giving 1h 37m slots. On 22 December it runs 06:37 to 17:59 — 11h 22m, giving 1h 25m. The entire annual variation in a single slot is 12 minutes.

Sunrise itself moves more than the slot length does: from 05:52 in early June to 06:46 in late January, a 54-minute range. So the grid slides bodily through the year while barely changing shape, which is the opposite of Delhi’s behaviour, where the shape changes as much as the position.

The practical upshot: in Bangalore, learning the offsets from sunrise is genuinely useful, because they hold. Slot three always begins about 2h 50m to 3h 14m after sunrise, and that range is narrow enough to plan with. Try the same in Jaipur and the equivalent range is 2h 36m to 3h 28m.

How long one Bangalore choghadiya is, through the year

Sunrise, sunset and the resulting eighth at the year's four turning points, computed for 2026.

Bangalore sits at 12.97°N, and latitude is the only thing that sets slot length. Its daylight runs from 11h 22m on 22 December to 12h 53m on 21 June — a swing of 1h 32m — so one eighth of it moves between 1h 25m and 1h 37m. That is 11 minutes of variation in the same named slot.

Date	Sunrise	Sunset	Daylight	One day slot	One night slot
March equinox (20 March)	06:24	18:30	12h 07m	1h 31m	1h 29m
June solstice (21 June)	05:55	18:48	12h 53m	1h 37m	1h 23m
September equinox (22 September)	06:09	18:16	12h 07m	1h 31m	1h 29m
December solstice (21 December)	06:37	17:58	11h 22m	1h 25m	1h 35m

Across the whole year a Bangalore daylight slot runs 1h 25m to 1h 37m and a night slot 1h 23m to 1h 35m. At the equinoxes the two are equal — that is what an equinox is.

Where Bangalore's grid sits on the clock, and why

Sunrise in Bangalore runs from 05:52 on 1 June to 06:46 on 24 January. That is 54m of movement in the first boundary of the day, and since every later boundary is measured from it, the whole grid travels the same distance.

Longitude adds a second offset that never changes. At 77.59°E, 4.91° west of the 82.5°E timezone meridian, solar noon in Bangalore falls at about 12:20 rather than 12:00 — 19.6 minutes after the clock, on every date of the year. Against 1h 37m and 1h 25m slots that is roughly a 20-to-23 per cent share of one slot, borrowed from a neighbouring city's table and never repaid.

Measure	Value
Earliest sunrise	05:52 on 1 June
Latest sunrise	06:46 on 24 January
Longest daylight	12h 53m on 21 June
Shortest daylight	11h 22m on 22 December
Annual day-length swing	1h 32m
Solar noon vs clock noon	+19.6 minutes

The full daylight grid for Bangalore on 21 June

Sunday, sunrise 05:55, sunset 18:48 — the year's longest daylight and therefore its longest slots.

12h 53m of daylight, divided by eight, gives 97 minutes a slot. Sunday is ruled by Sun, so the sequence opens on Udveg at 05:55 and closes on Udveg at 18:48 — the eighth slot repeating the first, as it does on every weekday. Of the eight, 4 are favourable.

Slot	Choghadiya	Lord	Clock time in Bangalore	Reading
1	Udveg	Sun	05:55 – 07:31	avoid for starts
2	Chal	Venus	07:31 – 09:08	favourable
3	Labh	Mercury	09:08 – 10:45	favourable
4	Amrit	Moon	10:45 – 12:21	favourable
5	Kaal	Saturn	12:21 – 13:58	avoid for starts
6	Shubh	Jupiter	13:58 – 15:35	favourable
7	Rog	Mars	15:35 – 17:11	avoid for starts
8	Udveg	Sun	17:11 – 18:48	avoid for starts

Times computed from NOAA sunrise/sunset at this city's coordinates. Rounded to the minute for display.

The same eight slots on 22 December, compressed

Tuesday, sunrise 06:37, sunset 17:59: 11h 22m of daylight, 1h 32m less than 21 June had. Each slot has shrunk to 85 minutes from 97, and sunrise itself has moved 43m later.

Compare the third row of each grid and the whole argument of this page is in one line: Labh ran 09:08–10:45 in 21 June and Chal runs 09:28–10:53 in 22 December. Same city, same position in the grid, no overlap at all.

Slot	Choghadiya	Lord	Clock time in Bangalore	Reading
1	Rog	Mars	06:37 – 08:02	avoid for starts
2	Udveg	Sun	08:02 – 09:28	avoid for starts
3	Chal	Venus	09:28 – 10:53	favourable
4	Labh	Mercury	10:53 – 12:18	favourable
5	Amrit	Moon	12:18 – 13:43	favourable
6	Kaal	Saturn	13:43 – 15:08	avoid for starts
7	Shubh	Jupiter	15:08 – 16:34	favourable
8	Rog	Mars	16:34 – 17:59	avoid for starts

The night that follows 21 June in Bangalore

Sunset at 18:48 to the next sunrise is 11h 07m, so each night slot is 83 minutes — 13 minutes shorter than that same day's daylight slots, because midsummer is when the night is the compressed half. In 22 December the relationship inverts and Bangalore's night slots reach 1h 35m.

The sequence is not the day sequence continued: it starts on Shubh, ruled by Jupiter, where the daylight had started on Udveg. The slots after midnight still belong to Sunday, because the vedic day turns over at sunrise and not at 00:00.

Slot	Choghadiya	Lord	Clock time in Bangalore	Reading
1	Shubh	Jupiter	18:48 – 20:11	favourable
2	Amrit	Moon	20:11 – 21:35	favourable
3	Chal	Venus	21:35 – 22:58	favourable
4	Rog	Mars	22:58 – 00:21	avoid for starts
5	Kaal	Saturn	00:21 – 01:45	avoid for starts
6	Labh	Mercury	01:45 – 03:08	favourable
7	Udveg	Sun	03:08 – 04:31	avoid for starts
8	Shubh	Jupiter	04:31 – 05:55	favourable

Times after 24:00 are shown on the following morning's clock; the row still belongs to the previous weekday.

Bangalore against the other cities in this cluster

The two numbers that make one Indian city’s choghadiya different from another’s: how far its solar noon sits from clock noon, and how much its daylight swings across the year.

City	Solar noon vs clock	Annual day-length swing	Daylight slot range
Ahmedabad	+39.7 min	2h 50m	1h 20m – 1h 42m
Mumbai	+38.5 min	2h 18m	1h 22m – 1h 40m
New Delhi	+21.2 min	3h 39m	1h 17m – 1h 45m
Surat	+38.7 min	2h 35m	1h 21m – 1h 41m
Rajkot	+46.8 min	2h 44m	1h 21m – 1h 41m
Vadodara	+37.3 min	2h 44m	1h 21m – 1h 41m
Pune	+34.6 min	2h 14m	1h 23m – 1h 39m
Bangalore (this page)	+19.6 min	1h 32m	1h 25m – 1h 37m
Hyderabad	+16.1 min	2h 05m	1h 23m – 1h 39m
Jaipur	+26.9 min	3h 23m	1h 18m – 1h 44m
Chennai	+8.9 min	1h 33m	1h 25m – 1h 37m

A positive offset means the sun peaks after the clock says noon. All eleven cities are on one timezone, which is why the column has a 38-minute spread.

Building the grid by hand, from three numbers

Three facts produce the whole table: the weekday, the sunrise and the sunset. Nothing else is needed, and nothing else is used.

Step	Value
Sunrise and sunset	05:55 and 18:48 — 12h 53m of daylight
Divide by eight	773 ÷ 8 = 97 minutes, or 1h 37m per slot
Sunday's opener	Udveg — the choghadiya of Sun, which rules Sunday
Walk the fixed cycle	Udveg → Chal → Labh → Amrit → Kaal → Shubh → Rog → Udveg
Third boundary, as a check	05:55 + 2 × 1h 37m = 09:08

The third slot on 21 June in Bangalore is Labh, running 09:08 to 10:45, and the eighth is Udveg from 17:11. Every boundary follows from the same division, and the same three facts on any other date give that date's grid.

Use the city's own sunrise, never a neighbour's. The eleven cities in this cluster span 37.9 minutes of solar time on an identical clock.

Frequently asked

How long is a choghadiya in Bangalore?

Between 1h 25m and 1h 37m of daylight, and 1h 23m to 1h 35m at night. That 12-minute annual variation is the smallest of the eleven cities in this cluster — Delhi’s equivalent figure is 28 minutes.

Why do Bangalore’s choghadiya timings barely change through the year?

Latitude. At 12.97°N Bangalore is close enough to the equator that its daylight swings only 1h 32m between the solstices. Slot length is one eighth of daylight, so it inherits one eighth of that swing.

Is Bangalore’s choghadiya the same as Chennai’s?

Almost identical in shape and clearly different in position. Both cities sit near 13°N so their slot lengths match to the minute, but Chennai is 2.7 degrees east, which puts its solar noon 10.7 minutes earlier — the whole Chennai grid runs earlier on the clock.

What this page can NOT tell you

• These are geometric sunrise and sunset times at the city centre. A tradition that uses the visible sunrise over a real horizon — hills, buildings, haze — will differ, and it is not wrong to.
• The figures are computed for a fixed reference year so this page cannot go stale on the shelf. Sunrise repeats to within seconds across years, so they hold; they are still not a substitute for looking up an actual date.
• Choghadiya carries no personal component. Your chart, dasha and transits are absent from every number here, and two people in this city read exactly the same table.
• The favourable / avoid labels are conventional and they do not predict outcomes. They rank a preference between otherwise equal moments, which is a much smaller claim than the word "auspicious" usually carries.
• A steady grid is not a more accurate one. Bangalore’s slot boundaries are as approximate as anywhere else — the stability just means yesterday’s figures stay usable longer, not that the convention says anything more reliable.

Choghadiya is a folk-electional convention, not a prediction. It labels slices of the day by tradition; it does not know what you are doing, who you are, or how it turned out. Treat a label as a preference, and never as permission or prohibition.

How AskSoma computes and what we refuse to claim · Engine: NOAA solar position (sunrise/sunset), ±1 minute against published almanac times · Ayanamsa: not used — choghadiya is a sunrise-to-sunset division, with no sidereal component · Content reviewed 2026-08-08