Ruling · Śiva Śayanotsava · 1926

Saturday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 191 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 Saturday 24 July

Taken. The only evening Pūrṇimā reaches.

19:37 sunsetpradoṣa ends 20:54
19:1319:3720:0120:2520:4921:1321:37

77 of 77 minutes covered

Evening of Sunday 25 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:36 sunsetpradoṣa ends 20:53
19:1219:3620:0020:2420:4821:1221:36

0 of 77 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 16:26 on Sat 24 Jul to 13:13 on Sun 25 Jul.

    1926-07-24T08:26:09Z → 1926-07-25T05:13:10Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:37–20:54 on the 24th, 19:36–20:53 on the 25th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 77 of 77 minutes on the 24th and 0 of 77 on the 25th.

    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 11460 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1926: Saturday 24 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1926 falls on Saturday 24 July. Pūrṇimā runs from 16:26 on Sat 24 Jul to 13:13 on Sun 25 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1926/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 24 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 24 Jul
compat-drikpanchangComparison profileSat 24 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 24thCoveredSunset 25thCoveredRuled
Los Angeles00:26 → 21:1319:0080 min18:590 min24 Jul
Chicago03:26 → 00:1320:1775 min20:160 min24 Jul
Jersey City04:26 → 01:1320:2075 min20:190 min24 Jul
Port of Spain04:26 → 01:1318:3191 min18:310 min24 Jul
London09:26 → 06:1321:0166 min21:000 min24 Jul
Durban10:26 → 07:1317:18108 min17:190 min24 Jul
Dubai12:26 → 09:1319:0885 min19:080 min24 Jul
Delhi13:56 → 10:4319:1783 min19:170 min24 Jul
Kolkata13:56 → 10:4318:2186 min18:210 min24 Jul
Singapore15:26 → 12:1318:1695 min18:160 min24 Jul
Sydney18:26 → 15:1317:0933 min17:100 min24 Jul
Suva20:26 → 17:1317:490 min17:490 min24 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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