Ruling · Kokilā Vrata · 2087

Tuesday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 467 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 Monday 14 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:48 sāyāhna beginssunset 19:43
16:2416:4817:1217:3618:0018:2418:4819:1219:3620:00

0 of 176 minutes covered

Late afternoon of Tuesday 15 July

Taken. The only late afternoon Pūrṇimā reaches.

16:47 sāyāhna beginssunset 19:43
16:2316:4717:1117:3517:5918:2318:4719:1119:3519:59

175 of 175 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 03:30 on Tue 15 Jul to 03:56 on Wed 16 Jul.

    2087-07-14T19:30:05Z → 2087-07-15T19:55:43Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:43 on the 14th, 16:47–19:43 on the 15th.

    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 176 minutes on the 14th and 175 of 175 on the 15th.

    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 27999 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2087: Tuesday 15 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2087 falls on Tuesday 15 July. Pūrṇimā runs from 03:30 on Tue 15 Jul to 03:56 on Wed 16 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2087/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 15 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 15 Jul
compat-drikpanchangComparison profileTue 15 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 14thCoveredSāyāhna 15thCoveredRuled
Los Angeles12:30 → 12:5617:15170 min17:150 min14 Jul
Chicago14:30 → 14:5617:25179 min17:250 min14 Jul
Jersey City15:30 → 15:5617:29178 min17:290 min14 Jul
Port of Spain15:30 → 15:5616:01152 min16:010 min14 Jul
London20:30 → 20:5617:5842 min17:57178 min15 Jul
Durban21:30 → 21:5615:090 min15:10125 min15 Jul
Dubai23:30 → 23:5616:290 min16:29162 min15 Jul
Delhi01:00 → 01:2616:360 min16:36165 min15 Jul
Kolkata01:00 → 01:2615:440 min15:44161 min15 Jul
Singapore03:30 → 03:5616:500 min16:50146 min15 Jul
Sydney05:30 → 05:5615:030 min15:03121 min15 Jul
Suva07:30 → 07:5615:330 min15:33134 min15 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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