Ruling · Kokilā Vrata · 2072

Friday 29 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 503 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 29 July

Taken. The only late afternoon Pūrṇimā reaches.

16:41 sāyāhna beginssunset 19:32
16:1716:4117:0517:2917:5318:1718:4119:0519:2919:53

171 of 171 minutes covered

Late afternoon of Saturday 30 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:40 sāyāhna beginssunset 19:31
16:1616:4017:0417:2817:5218:1618:4019:0419:2819:52

0 of 170 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 06:25 on Fri 29 Jul to 08:18 on Sat 30 Jul.

    2072-07-28T22:25:00Z → 2072-07-30T00:17:34Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:41–19:32 on the 29th, 16:40–19:31 on the 30th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 171 of 171 minutes on the 29th and 0 of 170 on the 30th.

    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 30162 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2072: Friday 29 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2072 falls on Friday 29 July. Pūrṇimā runs from 06:25 on Fri 29 Jul to 08:18 on Sat 30 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2072/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 29 Jul
compat-drikpanchangComparison profileFri 29 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 28thCoveredSāyāhna 30thCoveredRuled
Los Angeles15:25 → 17:1817:10167 min17:090 min28 Jul
Chicago17:25 → 19:1817:18167 min17:170 min28 Jul
Jersey City18:25 → 20:1817:22110 min17:210 min29 Jul
Port of Spain18:25 → 20:1816:006 min15:590 min29 Jul
London23:25 → 01:1817:470 min17:450 min29 Jul
Durban00:25 → 02:1815:140 min15:150 min29 Jul
Dubai02:25 → 04:1816:260 min16:250 min29 Jul
Delhi03:55 → 05:4816:320 min16:310 min29 Jul
Kolkata03:55 → 05:4815:410 min15:400 min29 Jul
Singapore06:25 → 08:1816:500 min16:500 min29 Jul
Sydney08:25 → 10:1815:090 min15:100 min29 Jul
Suva10:25 → 12:1815:360 min15:360 min29 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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