Ruling · Kokilā Vrata · 1966

Saturday 2 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 441 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two late afternoons

One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.

Late afternoon of Friday 1 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:49 sāyāhna beginssunset 19:47
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

0 of 178 minutes covered

Late afternoon of Saturday 2 July

Taken. The only late afternoon Pūrṇimā reaches.

16:49 sāyāhna beginssunset 19:47
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

178 of 178 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul.

    1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 1st, 16:49–19:47 on the 2nd.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 0 of 178 minutes on the 1st and 178 of 178 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one late afternoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 26444 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1966: Saturday 2 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1966 falls on Saturday 2 July. Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1966/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 2 Jul
compat-drikpanchangComparison profileSat 2 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/kokila-vrata · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Sāyāhna
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.

PlacePūrṇimāSāyāhna 1stCoveredSāyāhna 2ndCoveredRuled
Los Angeles12:08 → 12:3617:15173 min17:160 min1 Jul
Chicago14:08 → 14:3617:27182 min17:270 min1 Jul
Jersey City15:08 → 15:3617:31180 min17:310 min1 Jul
Port of Spain15:08 → 15:3615:59153 min15:590 min1 Jul
London20:08 → 20:3618:0273 min18:02155 min2 Jul
Durban21:08 → 21:3615:040 min15:04123 min2 Jul
Dubai23:08 → 23:3616:280 min16:28164 min2 Jul
Delhi00:38 → 01:0616:350 min16:36167 min2 Jul
Kolkata00:38 → 01:0615:430 min15:43162 min2 Jul
Singapore02:38 → 03:0616:180 min16:18146 min2 Jul
Sydney05:08 → 05:3614:570 min14:58119 min2 Jul
Suva07:08 → 07:3615:290 min15:29133 min2 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
kokila-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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