Ruling · Śiva Śayanotsava · 2006

Monday 10 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 382 minutes.

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 Monday 10 July

Taken. The only evening Pūrṇimā reaches.

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

74 of 74 minutes covered

Evening of Tuesday 11 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 13:23 on Mon 10 Jul to 11:02 on Tue 11 Jul.

    2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:45–20:59 on the 10th, 19:45–20:59 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 74 of 74 minutes on the 10th and 0 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 22894 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2006: Monday 10 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2006 falls on Monday 10 July. Pūrṇimā runs from 13:23 on Mon 10 Jul to 11:02 on Tue 11 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2006/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 10 Jul
compat-drikpanchangComparison profileMon 10 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 Angeles22:23 → 20:0220:060 min20:060 min9 Jul
Chicago00:23 → 22:0220:2672 min20:260 min10 Jul
Jersey City01:23 → 23:0220:2973 min20:280 min10 Jul
Port of Spain01:23 → 23:0218:3390 min18:330 min10 Jul
London06:23 → 04:0221:1661 min21:150 min10 Jul
Durban07:23 → 05:0217:11109 min17:120 min10 Jul
Dubai09:23 → 07:0219:1283 min19:120 min10 Jul
Delhi10:53 → 08:3219:2281 min19:220 min10 Jul
Kolkata10:53 → 08:3218:2585 min18:250 min10 Jul
Singapore13:23 → 11:0219:1595 min19:160 min10 Jul
Sydney15:23 → 13:0217:01112 min17:020 min10 Jul
Suva17:23 → 15:0217:44103 min17:450 min10 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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