Ruling · Śiva Śayanotsava · 2039

Tuesday 5 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 375 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 Tuesday 5 July

Taken. The only evening Pūrṇimā reaches.

19:47 sunsetpradoṣa ends 21:00
19:2319:4720:1120:3520:5921:2321:47

74 of 74 minutes covered

Evening of Wednesday 6 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 21:00
19:2219:4620:1020:3420:5821:2221:46

0 of 74 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 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul.

    2039-07-05T05:31:10Z → 2039-07-06T02:03:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:47–21:00 on the 5th, 19:46–21:00 on the 6th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 74 of 74 minutes on the 5th and 0 of 74 on the 6th.

    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 22522 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2039: Tuesday 5 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2039 falls on Tuesday 5 July. Pūrṇimā runs from 13:31 on Tue 5 Jul to 10:04 on Wed 6 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2039/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 5 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 5 Jul
compat-drikpanchangComparison profileTue 5 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 5thCoveredSunset 6thCoveredRuled
Los Angeles22:31 → 19:0420:080 min20:080 min4 Jul
Chicago00:31 → 21:0420:2835 min20:280 min5 Jul
Jersey City01:31 → 22:0420:3072 min20:300 min5 Jul
Port of Spain01:31 → 22:0418:3290 min18:320 min5 Jul
London06:31 → 03:0421:1960 min21:180 min5 Jul
Durban07:31 → 04:0417:09110 min17:090 min5 Jul
Dubai09:31 → 06:0419:1383 min19:120 min5 Jul
Delhi11:01 → 07:3419:2381 min19:230 min5 Jul
Kolkata11:01 → 07:3418:2584 min18:250 min5 Jul
Singapore13:31 → 10:0419:1595 min19:150 min5 Jul
Sydney15:31 → 12:0416:59112 min16:590 min5 Jul
Suva17:31 → 14:0417:43103 min17:430 min5 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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