Ruling · Śiva Śayanotsava · 2059

Thursday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 373 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 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 Friday 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 13:24 on Thu 24 Jul to 10:24 on Fri 25 Jul.

    2059-07-24T05:24:14Z → 2059-07-25T02:24:19Z

  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 22354 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2059: Thursday 24 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2059 falls on Thursday 24 July. Pūrṇimā runs from 13:24 on Thu 24 Jul to 10:24 on Fri 25 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2059/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 24 Jul
compat-drikpanchangComparison profileThu 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 Angeles22:24 → 19:2420:000 min19:590 min23 Jul
Chicago00:24 → 21:2420:1768 min20:160 min24 Jul
Jersey City01:24 → 22:2420:1976 min20:190 min24 Jul
Port of Spain01:24 → 22:2418:3291 min18:310 min24 Jul
London06:24 → 03:2421:0066 min20:590 min24 Jul
Durban07:24 → 04:2417:19108 min17:190 min24 Jul
Dubai09:24 → 06:2419:0885 min19:070 min24 Jul
Delhi10:54 → 07:5419:1783 min19:160 min24 Jul
Kolkata10:54 → 07:5418:2186 min18:210 min24 Jul
Singapore13:24 → 10:2419:1795 min19:160 min24 Jul
Sydney15:24 → 12:2417:10110 min17:110 min24 Jul
Suva17:24 → 14:2417:49102 min17:500 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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