Ruling · Śiva Śayanotsava · 2092

Friday 18 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 492 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 Friday 18 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

Evening of Saturday 19 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:40 sunsetpradoṣa ends 20:56
19:1619:4020:0420:2820:5221:1621:40

0 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 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul.

    2092-07-18T03:28:11Z → 2092-07-19T00:25:47Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:41–20:57 on the 18th, 19:40–20:56 on the 19th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 76 of 76 minutes on the 18th and 0 of 76 on the 19th.

    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 29549 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2092: Friday 18 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2092 falls on Friday 18 July. Pūrṇimā runs from 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2092/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 18 Jul
compat-drikpanchangComparison profileFri 18 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 18thCoveredSunset 19thCoveredRuled
Los Angeles20:28 → 17:2620:030 min20:020 min17 Jul
Chicago22:28 → 19:2620:210 min20:200 min17 Jul
Jersey City23:28 → 20:2620:242 min20:230 min18 Jul
Port of Spain23:28 → 20:2618:3391 min18:330 min18 Jul
London04:28 → 01:2621:0764 min21:060 min18 Jul
Durban05:28 → 02:2617:16108 min17:170 min18 Jul
Dubai07:28 → 04:2619:1084 min19:100 min18 Jul
Delhi08:58 → 05:5619:2082 min19:190 min18 Jul
Kolkata08:58 → 05:5618:2385 min18:230 min18 Jul
Singapore11:28 → 08:2619:1795 min19:170 min18 Jul
Sydney13:28 → 10:2617:07111 min17:080 min18 Jul
Suva15:28 → 12:2617:48103 min17:480 min18 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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