Ruling · Śiva Śayanotsava · 2034

Sunday 30 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 333 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 Sunday 30 July

Taken. The only evening Pūrṇimā reaches.

19:31 sunsetpradoṣa ends 20:50
19:0719:3119:5520:1920:4321:0721:31

78 of 78 minutes covered

Evening of Monday 31 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:30 sunsetpradoṣa ends 20:49
19:0619:3019:5420:1820:4221:0621:30

0 of 79 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 13:58 on Sun 30 Jul to 13:55 on Mon 31 Jul.

    2034-07-30T05:58:07Z → 2034-07-31T05:54:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:31–20:50 on the 30th, 19:30–20:49 on the 31st.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 78 of 78 minutes on the 30th and 0 of 79 on the 31st.

    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 19992 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2034: Sunday 30 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2034 falls on Sunday 30 July. Pūrṇimā runs from 13:58 on Sun 30 Jul to 13:55 on Mon 31 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2034/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 30 Jul
compat-drikpanchangComparison profileSun 30 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 30thCoveredSunset 31stCoveredRuled
Los Angeles22:58 → 22:5519:5581 min19:540 min30 Jul
Chicago00:58 → 00:5520:1176 min20:090 min30 Jul
Jersey City01:58 → 01:5520:1377 min20:120 min30 Jul
Port of Spain01:58 → 01:5518:3091 min18:300 min30 Jul
London06:58 → 06:5520:5168 min20:500 min30 Jul
Durban07:58 → 07:5517:22107 min17:230 min30 Jul
Dubai09:58 → 09:5519:0586 min19:040 min30 Jul
Delhi11:28 → 11:2519:1384 min19:130 min30 Jul
Kolkata11:28 → 11:2518:1887 min18:180 min30 Jul
Singapore13:58 → 13:5519:1695 min19:160 min30 Jul
Sydney15:58 → 15:5517:14109 min17:150 min30 Jul
Suva17:58 → 17:5517:5195 min17:513 min30 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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