Ruling · Śiva Śayanotsava · 1954

Thursday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 672 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 Thursday 15 July

Taken. The only evening Pūrṇimā reaches.

19:43 sunsetpradoṣa ends 20:58
19:1919:4320:0720:3120:5521:1921:43

75 of 75 minutes covered

Evening of Friday 16 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:42 sunsetpradoṣa ends 20:57
19:1819:4220:0620:3020:5421:1821:42

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 08:31 on Thu 15 Jul to 08:29 on Fri 16 Jul.

    1954-07-15T00:31:05Z → 1954-07-16T00:29:01Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:43–20:58 on the 15th, 19:42–20:57 on the 16th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 75 of 75 minutes on the 15th and 0 of 75 on the 16th.

    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 40307 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1954: Thursday 15 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1954 falls on Thursday 15 July. Pūrṇimā runs from 08:31 on Thu 15 Jul to 08:29 on Fri 16 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1954/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 15 Jul
compat-drikpanchangComparison profileThu 15 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 15thCoveredSunset 16thCoveredRuled
Los Angeles17:31 → 17:2920:050 min20:040 min14 Jul
Chicago19:31 → 19:2920:240 min20:230 min14 Jul
Jersey City20:31 → 20:2920:263 min20:260 min14 Jul
Port of Spain20:31 → 20:2918:3291 min18:320 min15 Jul
London01:31 → 01:2921:1263 min21:110 min15 Jul
Durban02:31 → 02:2917:13109 min17:140 min15 Jul
Dubai04:31 → 04:2919:1184 min19:110 min15 Jul
Delhi06:01 → 05:5919:2182 min19:200 min15 Jul
Kolkata06:01 → 05:5918:2485 min18:240 min15 Jul
Singapore08:01 → 07:5918:4695 min18:460 min15 Jul
Sydney10:31 → 10:2917:03111 min17:040 min15 Jul
Suva12:31 → 12:2917:46103 min17:460 min15 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