Ruling · Śiva Śayanotsava · 2014

Friday 11 July

Boundaryin Baoding, under the Rashtriya Panchang method. Pūrṇimā reaches pradoṣa on neither day and the rule does not say what then. Say “contested”.

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 11 July

Taken. Pūrṇimā reaches neither evening; this is the day it falls on.

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

0 of 74 minutes covered

Evening of Saturday 12 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:44 sunsetpradoṣa ends 20:59
Pūrṇimā ends 19:24:54
19:2019:4420:0820:3220:5621:2021:44

0 of 75 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 23:03 on Fri 11 Jul to 19:25 on Sat 12 Jul.

    2014-07-11T15:03:19Z → 2014-07-12T11:24:55Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:45–20:59 on the 11th, 19:44–20:59 on the 12th.

    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 11th and 0 of 75 on the 12th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither evening qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 1155 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2014: Friday 11 July.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Śiva Śayanotsava 2014 falls on Friday 11 July. Pūrṇimā runs from 23:03 on Fri 11 Jul to 19:25 on Sat 12 Jul, and reaches pradoṣa on neither day.

ahargana.org/baoding/festivals/2014/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 11 Jul
compat-drikpanchangComparison profileFri 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 11thCoveredSunset 12thCoveredRuled
Los Angeles08:03 → 04:2520:0678 min20:060 min11 Jul
Chicago10:03 → 06:2520:2672 min20:250 min11 Jul
Jersey City11:03 → 07:2520:2873 min20:280 min11 Jul
Port of Spain11:03 → 07:2518:3390 min18:330 min11 Jul
London16:03 → 12:2521:1562 min21:140 min11 Jul
Durban17:03 → 13:2517:12109 min17:120 min11 Jul
Dubai19:03 → 15:2519:1283 min19:120 min11 Jul
Delhi20:33 → 16:5519:2210 min19:210 min11 Jul
Kolkata20:33 → 16:5518:250 min18:240 min11 Jul
Singapore23:03 → 19:2519:160 min19:169 min12 Jul
Sydney01:03 → 21:2517:020 min17:02112 min12 Jul
Suva03:03 → 23:2517:450 min17:45103 min12 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

About Ahargaṇa