Ruling · Śiva Śayanotsava · 1976

Sunday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 9 min 57 s.

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 Saturday 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 Sunday 11 July

Taken. The only evening Pūrṇimā reaches.

19:44 sunsetpradoṣa ends 20:59
Pūrṇimā ends 21:08:52
19:2019:4420:0820:3220:5621:2021:44

74 of 74 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 22:52 on Sat 10 Jul to 21:09 on Sun 11 Jul.

    1976-07-10T14:51:58Z → 1976-07-11T13:08:52Z

  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 74 of 74 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 597 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1976: Sunday 11 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1976 falls on Sunday 11 July. Pūrṇimā runs from 22:52 on Sat 10 Jul to 21:09 on Sun 11 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1976/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 11 Jul
compat-drikpanchangComparison profileSun 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 11thCoveredRuled
Los Angeles07:52 → 06:0920:0678 min20:060 min10 Jul
Chicago09:52 → 08:0920:2672 min20:260 min10 Jul
Jersey City10:52 → 09:0920:2873 min20:280 min10 Jul
Port of Spain10:52 → 09:0918:3290 min18:320 min10 Jul
London15:52 → 14:0921:1562 min21:150 min10 Jul
Durban16:52 → 15:0917:11109 min17:120 min10 Jul
Dubai18:52 → 17:0919:1283 min19:120 min10 Jul
Delhi20:22 → 18:3919:2221 min19:220 min10 Jul
Kolkata20:22 → 18:3918:250 min18:2414 min11 Jul
Singapore22:22 → 20:3918:450 min18:4695 min11 Jul
Sydney00:52 → 23:0917:010 min17:02112 min11 Jul
Suva02:52 → 01:0917:440 min17:45103 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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