Ruling · Śiva Śayanotsava · 2055

Thursday 8 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 552 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 Wednesday 7 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 21:00
19:2219:4620:1020:3420:5821:2221:46

0 of 74 minutes covered

Evening of Thursday 8 July

Taken. The only evening Pūrṇimā reaches.

19:46 sunsetpradoṣa ends 21:00
19:2219:4620:1020:3420:5821:2221:46

74 of 74 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 06:35 on Thu 8 Jul to 06:12 on Fri 9 Jul.

    2055-07-07T22:34:31Z → 2055-07-08T22:11:56Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:46–21:00 on the 7th, 19:46–21:00 on the 8th.

    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 74 minutes on the 7th and 74 of 74 on the 8th.

    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 33124 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2055: Thursday 8 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2055 falls on Thursday 8 July. Pūrṇimā runs from 06:35 on Thu 8 Jul to 06:12 on Fri 9 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2055/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 8 Jul
compat-drikpanchangComparison profileThu 8 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 7thCoveredSunset 8thCoveredRuled
Los Angeles15:35 → 15:1220:0778 min20:070 min7 Jul
Chicago17:35 → 17:1220:2872 min20:270 min7 Jul
Jersey City18:35 → 18:1220:3072 min20:290 min7 Jul
Port of Spain18:35 → 18:1218:3388 min18:330 min7 Jul
London23:35 → 23:1221:180 min21:1761 min8 Jul
Durban00:35 → 00:1217:100 min17:10110 min8 Jul
Dubai02:35 → 02:1219:120 min19:1283 min8 Jul
Delhi04:05 → 03:4219:230 min19:2281 min8 Jul
Kolkata04:05 → 03:4218:250 min18:2584 min8 Jul
Singapore06:35 → 06:1219:150 min19:1595 min8 Jul
Sydney08:35 → 08:1217:000 min17:00112 min8 Jul
Suva10:35 → 10:1217:440 min17:44103 min8 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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