Ruling · Śiva Śayanotsava · 2029

Wednesday 25 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 43 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 Tuesday 24 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 Wednesday 25 July

Taken. The only evening Pūrṇimā reaches.

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

77 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 22:21 on Tue 24 Jul to 21:36 on Wed 25 Jul.

    2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:36–20:53 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 0 of 77 minutes on the 24th and 77 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 2582 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2029: Wednesday 25 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2029 falls on Wednesday 25 July. Pūrṇimā runs from 22:21 on Tue 24 Jul to 21:36 on Wed 25 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2029/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 25 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 25 Jul
compat-drikpanchangComparison profileWed 25 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 Angeles07:21 → 06:3619:5980 min19:590 min24 Jul
Chicago09:21 → 08:3620:1675 min20:150 min24 Jul
Jersey City10:21 → 09:3620:1976 min20:180 min24 Jul
Port of Spain10:21 → 09:3618:3191 min18:310 min24 Jul
London15:21 → 14:3621:0066 min20:580 min24 Jul
Durban16:21 → 15:3617:19108 min17:190 min24 Jul
Dubai18:21 → 17:3619:0885 min19:070 min24 Jul
Delhi19:51 → 19:0619:1749 min19:160 min24 Jul
Kolkata19:51 → 19:0618:210 min18:2145 min25 Jul
Singapore22:21 → 21:3619:160 min19:1695 min25 Jul
Sydney00:21 → 23:3617:100 min17:11110 min25 Jul
Suva02:21 → 01:3617:490 min17:50102 min25 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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