Ruling · Kokilā Vrata · 1983

Sunday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 557 minutes.

Decide it for

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 Sunday 24 July

Taken. The only late afternoon Pūrṇimā reaches.

16:44 sāyāhna beginssunset 19:37
16:2016:4417:0817:3217:5618:2018:4419:0819:3219:56

173 of 173 minutes covered

Late afternoon of Monday 25 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:43 sāyāhna beginssunset 19:36
16:1916:4317:0717:3117:5518:1918:4319:0719:3119:55

0 of 173 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 05:06 on Sun 24 Jul to 07:27 on Mon 25 Jul.

    1983-07-23T21:06:12Z → 1983-07-24T23:26:52Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:44–19:37 on the 24th, 16:43–19:36 on the 25th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 173 of 173 minutes on the 24th and 0 of 173 on the 25th.

    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 33398 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1983: Sunday 24 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1983 falls on Sunday 24 July. Pūrṇimā runs from 05:06 on Sun 24 Jul to 07:27 on Mon 25 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1983/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 24 Jul
compat-drikpanchangComparison profileSun 24 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 23rdCoveredSāyāhna 24thCoveredRuled
Los Angeles14:06 → 16:2717:12169 min17:120 min23 Jul
Chicago16:06 → 18:2717:21176 min17:2166 min23 Jul
Jersey City17:06 → 19:2717:25175 min17:25122 min23 Jul
Port of Spain17:06 → 19:2716:0085 min16:00152 min24 Jul
London22:06 → 00:2717:520 min17:51190 min24 Jul
Durban23:06 → 01:2715:120 min15:12126 min24 Jul
Dubai01:06 → 03:2716:270 min16:27161 min24 Jul
Delhi02:36 → 04:5716:330 min16:33164 min24 Jul
Kolkata02:36 → 04:5715:420 min15:42159 min24 Jul
Singapore05:06 → 07:2716:500 min16:50146 min24 Jul
Sydney07:06 → 09:2715:060 min15:06123 min24 Jul
Suva09:06 → 11:2715:340 min15:34134 min24 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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