Ruling · Śiva Śayanotsava · 2007

Sunday 29 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 587 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 Sunday 29 July

Taken. The only evening Pūrṇimā reaches.

19:33 sunsetpradoṣa ends 20:51
19:0919:3319:5720:2120:4521:0921:33

78 of 78 minutes covered

Evening of Monday 30 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:32 sunsetpradoṣa ends 20:50
19:0819:3219:5620:2020:4421:0821:32

0 of 78 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 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul.

    2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:33–20:51 on the 29th, 19:32–20:50 on the 30th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 78 of 78 minutes on the 29th and 0 of 78 on the 30th.

    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 35232 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2007: Sunday 29 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2007 falls on Sunday 29 July. Pūrṇimā runs from 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2007/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 29 Jul
compat-drikpanchangComparison profileSun 29 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 29thCoveredSunset 30thCoveredRuled
Los Angeles18:45 → 17:4819:560 min19:550 min28 Jul
Chicago20:45 → 19:4820:120 min20:110 min28 Jul
Jersey City21:45 → 20:4820:1533 min20:140 min29 Jul
Port of Spain21:45 → 20:4818:3191 min18:300 min29 Jul
London02:45 → 01:4820:5468 min20:520 min29 Jul
Durban03:45 → 02:4817:21107 min17:220 min29 Jul
Dubai05:45 → 04:4819:0585 min19:050 min29 Jul
Delhi07:15 → 06:1819:1484 min19:140 min29 Jul
Kolkata07:15 → 06:1818:1986 min18:190 min29 Jul
Singapore09:45 → 08:4819:1695 min19:160 min29 Jul
Sydney11:45 → 10:4817:13109 min17:140 min29 Jul
Suva13:45 → 12:4817:51102 min17:510 min29 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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