Ruling · Śiva Śayanotsava · 2052

Thursday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 606 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 10 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:45 sunsetpradoṣa ends 20:59
19:2119:4520:0920:3320:5721:2121:45

0 of 74 minutes covered

Evening of Thursday 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

Pūrṇimā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 07:05 on Thu 11 Jul to 08:23 on Fri 12 Jul.

    2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:45–20:59 on the 10th, 19:44–20:59 on the 11th.

    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 74 minutes on the 10th and 75 of 75 on the 11th.

    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 36377 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2052: Thursday 11 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2052 falls on Thursday 11 July. Pūrṇimā runs from 07:05 on Thu 11 Jul to 08:23 on Fri 12 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2052/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 11 Jul
compat-drikpanchangComparison profileThu 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 10thCoveredSunset 12thCoveredRuled
Los Angeles16:05 → 17:2320:0678 min20:060 min10 Jul
Chicago18:05 → 19:2320:2672 min20:250 min10 Jul
Jersey City19:05 → 20:2320:2873 min20:270 min10 Jul
Port of Spain19:05 → 20:2318:3358 min18:330 min11 Jul
London00:05 → 01:2321:150 min21:130 min11 Jul
Durban01:05 → 02:2317:120 min17:130 min11 Jul
Dubai03:05 → 04:2319:120 min19:120 min11 Jul
Delhi04:35 → 05:5319:220 min19:210 min11 Jul
Kolkata04:35 → 05:5318:250 min18:240 min11 Jul
Singapore07:05 → 08:2319:160 min19:160 min11 Jul
Sydney09:05 → 10:2317:020 min17:030 min11 Jul
Suva11:05 → 12:2317:450 min17:460 min11 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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