Ruling · Śiva Śayanotsava · 1952

Monday 7 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 26 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 Sunday 6 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 21:00
19:2219:4620:1020:3420:5821:2221:46

0 of 74 minutes covered

Evening of Monday 7 July

Taken. The only evening Pūrṇimā reaches.

19:46 sunsetpradoṣa ends 21:00
Pūrṇimā ends 20:33:27
19:2219:4620:1020:3420:5821:2221:46

48 of 74 minutes covered, the first 48

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul.

    1952-07-06T16:03:37Z → 1952-07-07T12:33:27Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:46–21:00 on the 6th, 19:46–21:00 on the 7th.

    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 6th and 48 of 74 on the 7th.

    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 1580 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1952: Monday 7 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1952 falls on Monday 7 July. Pūrṇimā runs from 00:04 on Mon 7 Jul to 20:33 on Mon 7 Jul and covers 48 of 74 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/1952/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 7 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 7 Jul
compat-drikpanchangComparison profileMon 7 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 6thCoveredSunset 7thCoveredRuled
Los Angeles09:04 → 05:3320:0777 min20:070 min6 Jul
Chicago11:04 → 07:3320:2871 min20:280 min6 Jul
Jersey City12:04 → 08:3320:3072 min20:300 min6 Jul
Port of Spain12:04 → 08:3318:3290 min18:320 min6 Jul
London17:04 → 13:3321:1861 min21:180 min6 Jul
Durban18:04 → 14:3317:0955 min17:100 min6 Jul
Dubai20:04 → 16:3319:1232 min19:120 min6 Jul
Delhi21:34 → 18:0319:220 min19:220 min6 Jul
Kolkata21:34 → 18:0318:250 min18:250 min6 Jul
Singapore23:34 → 20:0318:450 min18:4579 min7 Jul
Sydney02:04 → 22:3316:590 min16:59112 min7 Jul
Suva04:04 → 00:3317:430 min17:43103 min7 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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