Ruling · Śiva Śayanotsava · 1945

Tuesday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 501 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 Tuesday 24 July

Taken. The only evening Pūrṇimā reaches.

20:37 sunsetpradoṣa ends 21:54
20:1320:3721:0121:2521:4922:1322:37

77 of 77 minutes covered

Evening of Wednesday 25 July

Pūrṇimā is absent from pradoṣa. Not taken.

20:36 sunsetpradoṣa ends 21:53
20:1220:3621:0021:2421:4822:1222:36

0 of 77 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 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.

    1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 20:37–21:54 on the 24th, 20:36–21:53 on the 25th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 77 of 77 minutes on the 24th and 0 of 77 on the 25th.

    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 30044 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1945: Tuesday 24 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1945 falls on Tuesday 24 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1945/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 24 Jul
compat-drikpanchangComparison profileTue 24 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 24thCoveredSunset 25thCoveredRuled
Los Angeles20:16 → 19:2520:000 min19:590 min23 Jul
Chicago22:16 → 21:2520:1769 min20:160 min24 Jul
Jersey City23:16 → 22:2520:1976 min20:190 min24 Jul
Port of Spain00:16 → 23:2519:3191 min19:310 min24 Jul
London04:16 → 03:2521:0166 min20:590 min24 Jul
Durban05:16 → 04:2517:18108 min17:190 min24 Jul
Dubai07:16 → 06:2519:0885 min19:070 min24 Jul
Delhi09:46 → 08:5520:1783 min20:160 min24 Jul
Kolkata09:46 → 08:5519:2186 min19:210 min24 Jul
Singapore12:16 → 11:2520:1695 min20:160 min24 Jul
Sydney13:16 → 12:2517:09110 min17:100 min24 Jul
Suva15:16 → 14:2517:49102 min17:490 min24 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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