Ruling · Śiva Śayanotsava · 1947

Wednesday 2 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 68 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Wednesday 2 July

Taken. The only evening Pūrṇimā reaches.

20:47 sunsetpradoṣa ends 22:00
20:2320:4721:1121:3521:5922:2322:47

73 of 73 minutes covered

Evening of Thursday 3 July

Pūrṇimā is absent from pradoṣa. Not taken.

20:47 sunsetpradoṣa ends 22:00
20:2320:4721:1121:3521:5922:2322:47

0 of 73 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 17:13 on Wed 2 Jul to 19:39 on Thu 3 Jul.

    1947-07-02T08:12:32Z → 1947-07-03T10:38:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 20:47–22:00 on the 2nd, 20:47–22:00 on the 3rd.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 73 of 73 minutes on the 2nd and 0 of 73 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 4099 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1947: Wednesday 2 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1947 falls on Wednesday 2 July. Pūrṇimā runs from 17:13 on Wed 2 Jul to 19:39 on Thu 3 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1947/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 2 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 2 Jul
compat-drikpanchangComparison profileWed 2 Jul
No institution has a recorded ruling for Baoding.

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 clock times.

PlacePūrṇimāSunset 2ndCoveredSunset 3rdCoveredRuled
Los Angeles00:13 → 02:3919:0877 min19:080 min2 Jul
Chicago03:13 → 05:3920:2971 min20:290 min2 Jul
Jersey City04:13 → 06:3920:3172 min20:310 min2 Jul
Port of Spain04:13 → 06:3918:3290 min18:320 min2 Jul
London10:13 → 12:3922:2060 min22:200 min2 Jul
Durban10:13 → 12:3917:07110 min17:070 min2 Jul
Dubai12:13 → 14:3919:1283 min19:120 min2 Jul
Delhi13:43 → 16:0919:2381 min19:230 min2 Jul
Kolkata13:43 → 16:0918:2584 min18:250 min2 Jul
Singapore15:43 → 18:0918:4495 min18:440 min2 Jul
Sydney18:13 → 20:3916:5737 min16:57113 min3 Jul
Suva20:13 → 22:3917:410 min17:42104 min3 Jul
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

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