Ruling · Śiva Śayanotsava · 1907

Wednesday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 207 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 24 July

Taken. The only evening Pūrṇimā reaches.

19:37 sunsetpradoṣa ends 20:54
19:1319:3720:0120:2520:4921:1321:37

77 of 77 minutes covered

Evening of Thursday 25 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:37 sunsetpradoṣa ends 20:53
19:1319:3720:0120:2520:4921:1321:37

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 16:11 on Wed 24 Jul to 12:29 on Thu 25 Jul.

    1907-07-24T08:10:37Z → 1907-07-25T04:29:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:37–20:54 on the 24th, 19:37–20:53 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 12408 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1907: Wednesday 24 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1907 falls on Wednesday 24 July. Pūrṇimā runs from 16:11 on Wed 24 Jul to 12:29 on Thu 25 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1907/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 24 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 24 Jul
compat-drikpanchangComparison profileWed 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 Angeles00:11 → 20:2919:0080 min19:000 min24 Jul
Chicago02:11 → 22:2919:1875 min19:170 min24 Jul
Jersey City03:11 → 23:2919:2075 min19:190 min24 Jul
Port of Spain04:11 → 00:2918:3191 min18:310 min24 Jul
London08:11 → 04:2920:0265 min20:000 min24 Jul
Durban10:11 → 06:2917:18108 min17:180 min24 Jul
Dubai11:52 → 08:1018:4985 min18:490 min24 Jul
Delhi13:41 → 09:5919:1783 min19:170 min24 Jul
Kolkata13:41 → 09:5918:2186 min18:210 min24 Jul
Singapore15:11 → 11:2918:1695 min18:160 min24 Jul
Sydney18:11 → 14:2917:0948 min17:090 min24 Jul
Suva20:06 → 16:2417:440 min17:440 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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