Ruling · Śiva Śayanotsava · 1935

Monday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 239 minutes.

Decide it for

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 Monday 15 July

Taken. The only evening Pūrṇimā reaches.

19:43 sunsetpradoṣa ends 20:58
19:1919:4320:0720:3120:5521:1921:43

75 of 75 minutes covered

Evening of Tuesday 16 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:43 sunsetpradoṣa ends 20:58
19:1919:4320:0720:3120:5521:1921:43

0 of 75 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 15:44 on Mon 15 Jul to 13:00 on Tue 16 Jul.

    1935-07-15T07:43:38Z → 1935-07-16T05:00:23Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:43–20:58 on the 15th, 19:43–20:58 on the 16th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 75 of 75 minutes on the 15th and 0 of 75 on the 16th.

    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 14365 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1935: Monday 15 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1935 falls on Monday 15 July. Pūrṇimā runs from 15:44 on Mon 15 Jul to 13:00 on Tue 16 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1935/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 15 Jul
compat-drikpanchangComparison profileMon 15 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 15thCoveredSunset 16thCoveredRuled
Los Angeles23:44 → 21:0019:0578 min19:040 min15 Jul
Chicago02:44 → 00:0020:2473 min20:230 min15 Jul
Jersey City03:44 → 01:0020:2674 min20:260 min15 Jul
Port of Spain03:44 → 01:0018:3291 min18:320 min15 Jul
London08:44 → 06:0021:1263 min21:110 min15 Jul
Durban09:44 → 07:0017:13109 min17:140 min15 Jul
Dubai11:44 → 09:0019:1184 min19:110 min15 Jul
Delhi13:14 → 10:3019:2182 min19:200 min15 Jul
Kolkata13:14 → 10:3018:2485 min18:240 min15 Jul
Singapore15:04 → 12:2018:3695 min18:360 min15 Jul
Sydney17:44 → 15:0017:0371 min17:040 min15 Jul
Suva19:44 → 17:0017:460 min17:460 min15 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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