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July 1908 · each Moon as it stands at sunriseĀṣāḍha Śukla to Śrāvaṇa ŚuklaThe month ›

Ruling · 1908 · Indore

Śiva Śayanotsava

Monday 13 July1908 · Indore, Madhya Pradesh, India

Determinatemargin 398 min

In Indore, under the Rashtriya Panchang method. Clear of every threshold by 398 minutes.

Decide it forIndoreDelhiKolkataSingaporeSydneyJersey City22°43′ N 75°50′ E · Asia/Kolkata · GeoNames 1269743

The two evenings प्रदोष

One ghaṭī is 24 minutes

Pradoṣa is 2 muhūrtas after sunset.

Evening of Sunday 12 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:15 sunsetpradoṣa ends 20:39
18:5119:1519:3920:0320:2720:5121:15

0 of 85 minutes covered

Evening of Monday 13 July

Taken. The only evening Pūrṇimā reaches.

19:15 sunsetpradoṣa ends 20:39
18:5119:1519:3920:0320:2720:5121:15

85 of 85 minutes covered

Pūrṇimā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Pūrṇimā runs from 06:36 on Mon 13 Jul to 03:18 on Tue 14 Jul.

    1908-07-13T01:06:06Z → 1908-07-13T21:47:43Z
  2. Step 2, Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:15–20:39 on the 12th, 19:15–20:39 on the 13th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 85 minutes on the 12th and 85 of 85 on the 13th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
  4. Step 4, Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 23909 s
  5. Step 5, Ruling

    Śiva Śayanotsava, Indore, 1908: Monday 13 July.

    confidence: determinate

Say it like this

In Indore, Śiva Śayanotsava 1908 falls on Monday 13 July. Pūrṇimā runs from 06:36 on Mon 13 Jul to 03:18 on Tue 14 Jul and covers all of pradoṣa that evening.

ahargana.org/indore/festivals/1908/shiva-shayanotsavapac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 13 Jul
compat-drikpanchangComparison profileMon 13 Jul
No institution has a recorded ruling for Indore.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/shiva-shayanotsava · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini). Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

twelve places, west to east · local clocks

PlacePūrṇimāSunset 13thCoveredSunset 14thCoveredRuled
Los Angeles17:06 → 13:4819:050 min19:050 min12 Jul
Chicago19:06 → 15:4819:250 min19:240 min12 Jul
Jersey City20:06 → 16:4819:270 min19:270 min12 Jul
Port of Spain21:06 → 17:4818:320 min18:320 min12 Jul
London01:06 → 21:4820:1362 min20:120 min13 Jul
Durban03:06 → 23:4817:12109 min17:130 min13 Jul
Dubai04:47 → 01:2918:5283 min18:520 min13 Jul
Delhi06:36 → 03:1819:2181 min19:210 min13 Jul
Kolkata06:36 → 03:1818:2485 min18:240 min13 Jul
Singapore08:06 → 04:4818:1695 min18:160 min13 Jul
Sydney11:06 → 07:4817:02112 min17:030 min13 Jul
Suva13:01 → 09:4317:40103 min17:400 min13 Jul
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shiva-shayanotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s