Ruling · Śiva Śayanotsava · 2047

Saturday 6 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 15 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 Saturday 6 July

Taken. The only evening Pūrṇimā reaches.

19:46 sunsetpradoṣa ends 21:00
Pūrṇimā begins 20:45:22
19:2219:4620:1020:3420:5821:2221:46

15 of 74 minutes covered, the last 15

Evening of Sunday 7 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 21:00
19:2219:4620:1020:3420:5821:2221:46

0 of 74 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 20:45 on Sat 6 Jul to 18:34 on Sun 7 Jul.

    2047-07-06T12:45:22Z → 2047-07-07T10:33:56Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:46–21:00 on the 6th, 19:46–21:00 on the 7th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 15 of 74 minutes on the 6th and 0 of 74 on the 7th.

    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 887 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2047: Saturday 6 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2047 falls on Saturday 6 July. Pūrṇimā runs from 20:45 on Sat 6 Jul to 18:34 on Sun 7 Jul and covers 15 of 74 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/2047/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 6 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 6 Jul
compat-drikpanchangComparison profileSat 6 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 6thCoveredSunset 7thCoveredRuled
Los Angeles05:45 → 03:3420:0877 min20:070 min6 Jul
Chicago07:45 → 05:3420:2871 min20:280 min6 Jul
Jersey City08:45 → 06:3420:3072 min20:300 min6 Jul
Port of Spain08:45 → 06:3418:3390 min18:330 min6 Jul
London13:45 → 11:3421:1861 min21:180 min6 Jul
Durban14:45 → 12:3417:09110 min17:100 min6 Jul
Dubai16:45 → 14:3419:1383 min19:120 min6 Jul
Delhi18:15 → 16:0419:2381 min19:230 min6 Jul
Kolkata18:15 → 16:0418:2584 min18:250 min6 Jul
Singapore20:45 → 18:3419:154 min19:150 min6 Jul
Sydney22:45 → 20:3416:590 min17:00112 min7 Jul
Suva00:45 → 22:3417:430 min17:44103 min7 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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