Ruling · Kokilā Vrata · 2092

Friday 18 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 318 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 18 July

Taken. The only late afternoon Pūrṇimā reaches.

16:46 sāyāhna beginssunset 19:41
16:2216:4617:1017:3417:5818:2218:4619:1019:3419:58

174 of 174 minutes covered

Late afternoon of Saturday 19 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:46 sāyāhna beginssunset 19:40
16:2216:4617:1017:3417:5818:2218:4619:1019:3419:58

0 of 174 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 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul.

    2092-07-18T03:28:11Z → 2092-07-19T00:25:47Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:46–19:41 on the 18th, 16:46–19:40 on the 19th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 174 of 174 minutes on the 18th and 0 of 174 on the 19th.

    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 19086 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2092: Friday 18 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2092 falls on Friday 18 July. Pūrṇimā runs from 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2092/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 18 Jul
compat-drikpanchangComparison profileFri 18 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 18thCoveredSāyāhna 19thCoveredRuled
Los Angeles20:28 → 17:2617:1412 min17:130 min18 Jul
Chicago22:28 → 19:2617:24122 min17:230 min18 Jul
Jersey City23:28 → 20:2617:27176 min17:270 min18 Jul
Port of Spain23:28 → 20:2616:01152 min16:010 min18 Jul
London04:28 → 01:2617:55192 min17:540 min18 Jul
Durban05:28 → 02:2615:11125 min15:110 min18 Jul
Dubai07:28 → 04:2616:28162 min16:280 min18 Jul
Delhi08:58 → 05:5616:35165 min16:350 min18 Jul
Kolkata08:58 → 05:5615:43160 min15:430 min18 Jul
Singapore11:28 → 08:2616:51146 min16:510 min18 Jul
Sydney13:28 → 10:2615:05122 min15:050 min18 Jul
Suva15:28 → 12:2615:34134 min15:340 min18 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

About Ahargaṇa