Ruling · Śiva Śayanotsava · 2033

Monday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 45 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 Monday 11 July

Taken. The only evening Pūrṇimā reaches.

19:44 sunsetpradoṣa ends 20:59
19:2019:4420:0820:3220:5621:2021:44

75 of 75 minutes covered

Evening of Tuesday 12 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:44 sunsetpradoṣa ends 20:59
19:2019:4420:0820:3220:5621:2021:44

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 19:00 on Mon 11 Jul to 17:29 on Tue 12 Jul.

    2033-07-11T10:59:34Z → 2033-07-12T09:28:37Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:44–20:59 on the 11th, 19:44–20:59 on the 12th.

    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 11th and 0 of 75 on the 12th.

    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 2694 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2033: Monday 11 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2033 falls on Monday 11 July. Pūrṇimā runs from 19:00 on Mon 11 Jul to 17:29 on Tue 12 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2033/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 11 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 11 Jul
compat-drikpanchangComparison profileMon 11 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 11thCoveredSunset 12thCoveredRuled
Los Angeles04:00 → 02:2920:0678 min20:060 min11 Jul
Chicago06:00 → 04:2920:2672 min20:250 min11 Jul
Jersey City07:00 → 05:2920:2873 min20:270 min11 Jul
Port of Spain07:00 → 05:2918:3390 min18:330 min11 Jul
London12:00 → 10:2921:1462 min21:140 min11 Jul
Durban13:00 → 11:2917:12109 min17:120 min11 Jul
Dubai15:00 → 13:2919:1283 min19:120 min11 Jul
Delhi16:30 → 14:5919:2281 min19:210 min11 Jul
Kolkata16:30 → 14:5918:2585 min18:240 min11 Jul
Singapore19:00 → 17:2919:1695 min19:160 min11 Jul
Sydney21:00 → 19:2917:020 min17:02112 min12 Jul
Suva23:00 → 21:2917:450 min17:45103 min12 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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