Ruling · Śiva Śayanotsava · 1934

Thursday 26 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 Wednesday 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 Thursday 26 July

Taken. The only evening Pūrṇimā reaches.

19:35 sunsetpradoṣa ends 20:53
Pūrṇimā ends 20:08:30
19:1119:3519:5920:2320:4721:1121:35

33 of 77 minutes covered, the first 33

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 23:56 on Wed 25 Jul to 20:09 on Thu 26 Jul.

    1934-07-25T15:55:57Z → 1934-07-26T12:08:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:36–20:53 on the 25th, 19:35–20:53 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 33 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 1981 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 1934: Thursday 26 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 1934 falls on Thursday 26 July. Pūrṇimā runs from 23:56 on Wed 25 Jul to 20:09 on Thu 26 Jul and covers 33 of 77 minutes of pradoṣa that evening.

ahargana.org/baoding/festivals/1934/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 26 Jul
compat-drikpanchangComparison profileThu 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 → 04:0918:5980 min18:590 min25 Jul
Chicago10:56 → 07:0920:1675 min20:150 min25 Jul
Jersey City11:56 → 08:0920:1976 min20:180 min25 Jul
Port of Spain11:56 → 08:0918:3191 min18:310 min25 Jul
London16:56 → 13:0921:0066 min20:580 min25 Jul
Durban17:56 → 14:0917:1970 min17:190 min25 Jul
Dubai19:56 → 16:0919:0736 min19:070 min25 Jul
Delhi21:26 → 17:3919:170 min19:160 min25 Jul
Kolkata21:26 → 17:3918:210 min18:200 min25 Jul
Singapore23:16 → 19:2918:360 min18:3652 min26 Jul
Sydney01:56 → 22:0917:100 min17:10110 min26 Jul
Suva03:56 → 00:0917:490 min17:49102 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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