Ruling · Kokilā Vrata · 2011

Thursday 14 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 93 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 Thursday 14 July

Taken. The only late afternoon Pūrṇimā reaches.

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

176 of 176 minutes covered

Late afternoon of Friday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 15:15 on Thu 14 Jul to 14:40 on Fri 15 Jul.

    2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z

  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 176 of 176 minutes on the 14th and 0 of 176 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 5564 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2011: Thursday 14 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2011 falls on Thursday 14 July. Pūrṇimā runs from 15:15 on Thu 14 Jul to 14:40 on Fri 15 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2011/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 14 Jul
compat-drikpanchangComparison profileThu 14 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 Angeles00:15 → 23:4017:15171 min17:140 min14 Jul
Chicago02:15 → 01:4017:25179 min17:250 min14 Jul
Jersey City03:15 → 02:4017:29178 min17:290 min14 Jul
Port of Spain03:15 → 02:4016:00152 min16:000 min14 Jul
London08:15 → 07:4017:58195 min17:570 min14 Jul
Durban09:15 → 08:4015:09124 min15:090 min14 Jul
Dubai11:15 → 10:4016:29163 min16:280 min14 Jul
Delhi12:45 → 12:1016:35166 min16:350 min14 Jul
Kolkata12:45 → 12:1015:43161 min15:430 min14 Jul
Singapore15:15 → 14:4016:50146 min16:500 min14 Jul
Sydney17:15 → 16:4015:020 min15:0397 min15 Jul
Suva19:15 → 18:4015:320 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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