Ruling · Śiva Śayanotsava · 2090

Tuesday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 214 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 Monday 10 July

Pūrṇimā is absent from pradoṣa. Not taken.

19:45 sunsetpradoṣa ends 21:00
19:2119:4520:0920:3320:5721:2121:45

0 of 74 minutes covered

Evening of Tuesday 11 July

Taken. The only evening Pūrṇimā reaches.

19:45 sunsetpradoṣa ends 20:59
19:2119:4520:0920:3320:5721:2121:45

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 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul.

    2090-07-10T16:33:05Z → 2090-07-11T17:04:12Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:45–21:00 on the 10th, 19:45–20:59 on the 11th.

    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 10th and 75 of 75 on the 11th.

    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 12811 s

  5. 05

    Ruling

    Śiva Śayanotsava, Baoding, 2090: Tuesday 11 July.

    confidence: determinate

Say it like this

In Baoding, Śiva Śayanotsava 2090 falls on Tuesday 11 July. Pūrṇimā runs from 00:33 on Tue 11 Jul to 01:04 on Wed 12 Jul and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2090/shiva-shayanotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 11 Jul
compat-drikpanchangComparison profileTue 11 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 10thCoveredSunset 11thCoveredRuled
Los Angeles09:33 → 10:0420:0778 min20:060 min10 Jul
Chicago11:33 → 12:0420:2772 min20:260 min10 Jul
Jersey City12:33 → 13:0420:2973 min20:280 min10 Jul
Port of Spain12:33 → 13:0418:3390 min18:330 min10 Jul
London17:33 → 18:0421:1562 min21:150 min10 Jul
Durban18:33 → 19:0417:1228 min17:12109 min11 Jul
Dubai20:33 → 21:0419:123 min19:1283 min11 Jul
Delhi22:03 → 22:3419:220 min19:2281 min11 Jul
Kolkata22:03 → 22:3418:250 min18:2585 min11 Jul
Singapore00:33 → 01:0419:160 min19:1695 min11 Jul
Sydney02:33 → 03:0417:020 min17:02112 min11 Jul
Suva04:33 → 05:0417:450 min17:45103 min11 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

About Ahargaṇa