Ruling · Śiva Śayanotsava · 1904

Tuesday 26 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 113 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 26 July

Taken. The only evening Pūrṇimā reaches.

19:35 sunsetpradoṣa ends 20:52
19:1119:3519:5920:2320:4721:1121:35

77 of 77 minutes covered

Evening of Wednesday 27 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:34 sunsetpradoṣa ends 20:52
19:1019:3419:5820:2220:4621:1021:34

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 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul.

    1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:35–20:52 on the 26th, 19:34–20:52 on the 27th.

    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 26th and 0 of 77 on the 27th.

    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 6754 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1904: Tuesday 26 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1904 falls on Tuesday 26 July. Pūrṇimā runs from 16:09 on Tue 26 Jul to 17:42 on Wed 27 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1904/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 26 Jul
compat-drikpanchangComparison profileTue 26 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 26thCoveredSunset 27thCoveredRuled
Los Angeles00:09 → 01:4218:5880 min18:580 min26 Jul
Chicago02:09 → 03:4219:1575 min19:140 min26 Jul
Jersey City03:09 → 04:4219:1876 min19:170 min26 Jul
Port of Spain04:09 → 05:4218:3191 min18:310 min26 Jul
London08:09 → 09:4219:5866 min19:570 min26 Jul
Durban10:09 → 11:4217:19107 min17:200 min26 Jul
Dubai11:50 → 13:2318:4885 min18:470 min26 Jul
Delhi13:30 → 15:0319:0783 min19:060 min26 Jul
Kolkata13:30 → 15:0318:1186 min18:110 min26 Jul
Singapore15:04 → 16:3718:1195 min18:110 min26 Jul
Sydney18:09 → 19:4217:1051 min17:11109 min27 Jul
Suva20:04 → 21:3717:440 min17:45102 min27 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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