Ruling · Kokilā Vrata · 2019

Tuesday 16 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 516 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 15 July

Pūrṇimā is absent from sāyāhna. Not taken.

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

0 of 176 minutes covered

Late afternoon of Tuesday 16 July

Taken. The only late afternoon Pūrṇimā reaches.

16:47 sāyāhna beginssunset 19:42
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 04:18 on Tue 16 Jul to 05:38 on Wed 17 Jul.

    2019-07-15T20:18:27Z → 2019-07-16T21:38:13Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:47–19:43 on the 15th, 16:47–19:42 on the 16th.

    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 15th and 175 of 175 on the 16th.

    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 30937 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2019: Tuesday 16 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2019 falls on Tuesday 16 July. Pūrṇimā runs from 04:18 on Tue 16 Jul to 05:38 on Wed 17 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2019/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 16 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 16 Jul
compat-drikpanchangComparison profileTue 16 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 15thCoveredSāyāhna 16thCoveredRuled
Los Angeles13:18 → 14:3817:14170 min17:140 min15 Jul
Chicago15:18 → 16:3817:25179 min17:240 min15 Jul
Jersey City16:18 → 17:3817:28178 min17:2810 min15 Jul
Port of Spain16:18 → 17:3816:00134 min16:0098 min15 Jul
London21:18 → 22:3817:570 min17:57194 min16 Jul
Durban22:18 → 23:3815:090 min15:09125 min16 Jul
Dubai00:18 → 01:3816:280 min16:28162 min16 Jul
Delhi01:48 → 03:0816:350 min16:35165 min16 Jul
Kolkata01:48 → 03:0815:430 min15:43160 min16 Jul
Singapore04:18 → 05:3816:500 min16:50146 min16 Jul
Sydney06:18 → 07:3815:030 min15:03121 min16 Jul
Suva08:18 → 09:3815:330 min15:33134 min16 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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