July 2022 · each Moon as it stands at sunriseĀṣāḍha Śukla to Śrāvaṇa ŚuklaThe month ›

Ruling · 2022 · Daqing

Śiva Śayanotsava

Wednesday 13 July2022 · Daqing, Heilongjiang, China

Determinatemargin 359 min

In Daqing, under the Rashtriya Panchang method. Clear of every threshold by 359 minutes.

Decide it forDaqingDelhiKolkataSingaporeSydneyJersey City46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two evenings प्रदोष

One ghaṭī is 24 minutes

Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 12 July

Pūrṇimā is absent from pradoṣa. Not taken.

sunset 19:32  20:40 pradoṣa ends
18:4419:0819:3219:5620:2020:4421:0821:32

0 of 68 minutes covered

Evening of Wednesday 13 July

Taken. The only evening Pūrṇimā reaches.

sunset 19:31  20:39 pradoṣa ends
18:4319:0719:3119:5520:1920:4321:0721:31

68 of 68 minutes covered

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Pūrṇimā runs from 06:31 on Wed 13 Jul to 02:38 on Thu 14 Jul.

    2022-07-12T22:31:17Z → 2022-07-13T18:37:38Z
  2. Step 2, Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:32–20:40 on the 12th, 19:31–20:39 on the 13th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 68 minutes on the 12th and 68 of 68 on the 13th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
  4. Step 4, Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 21511 s
  5. Step 5, Ruling

    Śiva Śayanotsava, Daqing, 2022: Wednesday 13 July.

    confidence: determinate

Say it like this

In Daqing, Śiva Śayanotsava 2022 falls on Wednesday 13 July. Pūrṇimā runs from 06:31 on Wed 13 Jul to 02:38 on Thu 14 Jul and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/2022/shiva-shayanotsavapac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 13 Jul
compat-drikpanchangComparison profileWed 13 Jul
No institution has a recorded ruling for Daqing.

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 clocks

PlacePūrṇimāSunset 12thCoveredSunset 13thCoveredRuled
Los Angeles15:31 → 11:3820:0678 min20:050 min12 Jul
Chicago17:31 → 13:3820:2572 min20:250 min12 Jul
Jersey City18:31 → 14:3820:2873 min20:270 min12 Jul
Port of Spain18:31 → 14:3818:3390 min18:330 min12 Jul
London23:31 → 19:3821:140 min21:130 min12 Jul
Durban00:31 → 20:3817:120 min17:13109 min13 Jul
Dubai02:31 → 22:3819:120 min19:1184 min13 Jul
Delhi04:01 → 00:0819:220 min19:2182 min13 Jul
Kolkata04:01 → 00:0818:240 min18:2485 min13 Jul
Singapore06:31 → 02:3819:160 min19:1695 min13 Jul
Sydney08:31 → 04:3817:020 min17:03111 min13 Jul
Suva10:31 → 06:3817:450 min17:45103 min13 Jul
This ruling as JSON · ICS
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