Ruling · Śiva Śayanotsava · 1955

Monday 4 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 378 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 Monday 4 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 Tuesday 5 July

Pūrṇimā is absent from pradoṣa. Not taken.

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

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 11:16 on Mon 4 Jul to 13:29 on Tue 5 Jul.

    1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:47–21:00 on the 4th, 19:47–21:00 on the 5th.

    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 4th and 0 of 74 on the 5th.

    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 22678 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1955: Monday 4 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1955 falls on Monday 4 July. Pūrṇimā runs from 11:16 on Mon 4 Jul to 13:29 on Tue 5 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1955/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 4 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 4 Jul
compat-drikpanchangComparison profileMon 4 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 4thCoveredSunset 5thCoveredRuled
Los Angeles20:16 → 22:2920:0877 min20:080 min4 Jul
Chicago22:16 → 00:2920:2971 min20:280 min4 Jul
Jersey City23:16 → 01:2920:3172 min20:300 min4 Jul
Port of Spain23:16 → 01:2918:3290 min18:320 min4 Jul
London04:16 → 06:2921:2060 min21:190 min4 Jul
Durban05:16 → 07:2917:08110 min17:080 min4 Jul
Dubai07:16 → 09:2919:1283 min19:120 min4 Jul
Delhi08:46 → 10:5919:2381 min19:230 min4 Jul
Kolkata08:46 → 10:5918:2584 min18:250 min4 Jul
Singapore10:46 → 12:5918:4495 min18:440 min4 Jul
Sydney13:16 → 15:2916:58112 min16:580 min4 Jul
Suva15:16 → 17:2917:42104 min17:420 min4 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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