Ruling · Śiva Śayanotsava · 1953

Sunday 26 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 32 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 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

Evening of Sunday 26 July

Taken. The only evening Pūrṇimā reaches.

19:35 sunsetpradoṣa ends 20:52
Pūrṇimā ends 20:20:35
19:1119:3519:5920:2320:4721:1121:35

45 of 77 minutes covered, the first 45

Pūrṇimā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.

    1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:36–20:53 on the 25th, 19:35–20:52 on the 26th.

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

  3. 03

    Rule

    Pūrṇimā must be present during pradoṣa. It covers 0 of 77 minutes on the 25th and 45 of 77 on the 26th.

    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 1909 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1953: Sunday 26 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers 45 of 77 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/1953/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 26 Jul
compat-drikpanchangComparison profileSun 26 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 25thCoveredSunset 26thCoveredRuled
Los Angeles07:56 → 05:2119:5980 min19:580 min25 Jul
Chicago09:56 → 07:2120:1675 min20:150 min25 Jul
Jersey City10:56 → 08:2120:1976 min20:180 min25 Jul
Port of Spain10:56 → 08:2118:3191 min18:310 min25 Jul
London15:56 → 13:2120:5966 min20:580 min25 Jul
Durban16:56 → 14:2117:19108 min17:190 min25 Jul
Dubai18:56 → 16:2119:0785 min19:070 min25 Jul
Delhi20:26 → 17:5119:1613 min19:160 min25 Jul
Kolkata20:26 → 17:5118:210 min18:200 min25 Jul
Singapore22:26 → 19:5118:460 min18:4664 min26 Jul
Sydney00:56 → 22:2117:100 min17:11110 min26 Jul
Suva02:56 → 00:2117:490 min17:50102 min26 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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