Ruling · Śiva Śayanotsava · 1932

Sunday 17 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 489 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 16 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:42 sunsetpradoṣa ends 20:57
19:1819:4220:0620:3020:5421:1821:42

0 of 75 minutes covered

Evening of Sunday 17 July

Taken. The only evening Pūrṇimā reaches.

19:42 sunsetpradoṣa ends 20:57
19:1819:4220:0620:3020:5421:1821:42

75 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 07:04 on Sun 17 Jul to 05:06 on Mon 18 Jul.

    1932-07-16T23:04:01Z → 1932-07-17T21:06:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:42–20:57 on the 16th, 19:42–20:57 on the 17th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 75 minutes on the 16th and 75 of 75 on the 17th.

    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 29358 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1932: Sunday 17 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1932 falls on Sunday 17 July. Pūrṇimā runs from 07:04 on Sun 17 Jul to 05:06 on Mon 18 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1932/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 17 Jul
compat-drikpanchangComparison profileSun 17 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 16thCoveredSunset 17thCoveredRuled
Los Angeles15:04 → 13:0619:0479 min19:040 min16 Jul
Chicago18:04 → 16:0620:2373 min20:220 min16 Jul
Jersey City19:04 → 17:0620:2574 min20:250 min16 Jul
Port of Spain19:04 → 17:0618:3259 min18:320 min16 Jul
London00:04 → 22:0621:100 min21:0957 min17 Jul
Durban01:04 → 23:0617:140 min17:14109 min17 Jul
Dubai03:04 → 01:0619:110 min19:1084 min17 Jul
Delhi04:34 → 02:3619:200 min19:2082 min17 Jul
Kolkata04:34 → 02:3618:240 min18:2385 min17 Jul
Singapore06:04 → 04:0618:160 min18:1695 min17 Jul
Sydney09:04 → 07:0617:040 min17:05111 min17 Jul
Suva11:04 → 09:0617:460 min17:47103 min17 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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