Ruling · Śiva Śayanotsava · 2065

Friday 17 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 289 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 Thursday 16 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:42 sunsetpradoṣa ends 20:57
19:1819:4220:0620:3020:5421:1821:42

0 of 75 minutes covered

Evening of Friday 17 July

Taken. The only evening Pūrṇimā reaches.

19:41 sunsetpradoṣa ends 20:57
19:1719:4120:0520:2920:5321:1721:41

76 of 76 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 04:06 on Fri 17 Jul to 01:46 on Sat 18 Jul.

    2065-07-16T20:05:53Z → 2065-07-17T17:46:02Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:42–20:57 on the 16th, 19:41–20:57 on the 17th.

    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 75 minutes on the 16th and 76 of 76 on the 17th.

    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 17345 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2065: Friday 17 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2065 falls on Friday 17 July. Pūrṇimā runs from 04:06 on Fri 17 Jul to 01:46 on Sat 18 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2065/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 17 Jul
compat-drikpanchangComparison profileFri 17 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 16thCoveredSunset 17thCoveredRuled
Los Angeles13:06 → 10:4620:0479 min20:040 min16 Jul
Chicago15:06 → 12:4620:2373 min20:220 min16 Jul
Jersey City16:06 → 13:4620:2574 min20:240 min16 Jul
Port of Spain16:06 → 13:4618:3391 min18:330 min16 Jul
London21:06 → 18:4621:1063 min21:080 min16 Jul
Durban22:06 → 19:4617:150 min17:15109 min17 Jul
Dubai00:06 → 21:4619:110 min19:1084 min17 Jul
Delhi01:36 → 23:1619:200 min19:2082 min17 Jul
Kolkata01:36 → 23:1618:240 min18:2385 min17 Jul
Singapore04:06 → 01:4619:160 min19:1695 min17 Jul
Sydney06:06 → 03:4617:050 min17:06111 min17 Jul
Suva08:06 → 05:4617:470 min17:47103 min17 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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