Ruling · Śiva Śayanotsava · 2060

Tuesday 13 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 131 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 Monday 12 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:44 sunsetpradoṣa ends 20:59
19:2019:4420:0820:3220:5621:2021:44

0 of 75 minutes covered

Evening of Tuesday 13 July

Taken. The only evening Pūrṇimā reaches.

19:43 sunsetpradoṣa ends 20:58
19:1919:4320:0720:3120:5521:1921:43

75 of 75 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 23:43 on Mon 12 Jul to 23:09 on Tue 13 Jul.

    2060-07-12T15:42:34Z → 2060-07-13T15:09:00Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:44–20:59 on the 12th, 19:43–20:58 on the 13th.

    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 75 minutes on the 12th and 75 of 75 on the 13th.

    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 7838 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2060: Tuesday 13 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2060 falls on Tuesday 13 July. Pūrṇimā runs from 23:43 on Mon 12 Jul to 23:09 on Tue 13 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2060/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 13 Jul
compat-drikpanchangComparison profileTue 13 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 12thCoveredSunset 13thCoveredRuled
Los Angeles08:43 → 08:0920:0678 min20:050 min12 Jul
Chicago10:43 → 10:0920:2572 min20:250 min12 Jul
Jersey City11:43 → 11:0920:2773 min20:270 min12 Jul
Port of Spain11:43 → 11:0918:3391 min18:330 min12 Jul
London16:43 → 16:0921:1362 min21:120 min12 Jul
Durban17:43 → 17:0917:1379 min17:130 min12 Jul
Dubai19:43 → 19:0919:1253 min19:110 min12 Jul
Delhi21:13 → 20:3919:210 min19:2178 min13 Jul
Kolkata21:13 → 20:3918:240 min18:2485 min13 Jul
Singapore23:43 → 23:0919:160 min19:1695 min13 Jul
Sydney01:43 → 01:0917:030 min17:03111 min13 Jul
Suva03:43 → 03:0917:460 min17:46103 min13 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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