Ruling · Śiva Śayanotsava · 2084

Monday 17 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 246 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 Sunday 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 Monday 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 04:48 on Mon 17 Jul to 01:03 on Tue 18 Jul.

    2084-07-16T20:48:10Z → 2084-07-17T17:03:05Z

  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 14768 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2084: Monday 17 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2084 falls on Monday 17 July. Pūrṇimā runs from 04:48 on Mon 17 Jul to 01:03 on Tue 18 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2084/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 17 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 17 Jul
compat-drikpanchangComparison profileMon 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 Angeles13:48 → 10:0320:0479 min20:040 min16 Jul
Chicago15:48 → 12:0320:2373 min20:220 min16 Jul
Jersey City16:48 → 13:0320:2574 min20:240 min16 Jul
Port of Spain16:48 → 13:0318:3391 min18:330 min16 Jul
London21:48 → 18:0321:0925 min21:080 min16 Jul
Durban22:48 → 19:0317:150 min17:16107 min17 Jul
Dubai00:48 → 21:0319:110 min19:1084 min17 Jul
Delhi02:18 → 22:3319:200 min19:2082 min17 Jul
Kolkata02:18 → 22:3318:240 min18:2485 min17 Jul
Singapore04:48 → 01:0319:170 min19:1795 min17 Jul
Sydney06:48 → 03:0317:060 min17:06111 min17 Jul
Suva08:48 → 05:0317:470 min17:48103 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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