Ruling · Kokilā Vrata · 2029

Wednesday 25 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 120 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 Tuesday 24 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:44 sāyāhna beginssunset 19:36
16:2016:4417:0817:3217:5618:2018:4419:0819:3219:56

0 of 173 minutes covered

Late afternoon of Wednesday 25 July

Taken. The only late afternoon Pūrṇimā reaches.

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

172 of 172 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 22:21 on Tue 24 Jul to 21:36 on Wed 25 Jul.

    2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:44–19:36 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 0 of 173 minutes on the 24th and 172 of 172 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 7210 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2029: Wednesday 25 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2029 falls on Wednesday 25 July. Pūrṇimā runs from 22:21 on Tue 24 Jul to 21:36 on Wed 25 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2029/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 25 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 25 Jul
compat-drikpanchangComparison profileWed 25 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 24thCoveredSāyāhna 25thCoveredRuled
Los Angeles07:21 → 06:3617:11168 min17:110 min24 Jul
Chicago09:21 → 08:3617:21176 min17:200 min24 Jul
Jersey City10:21 → 09:3617:24175 min17:240 min24 Jul
Port of Spain10:21 → 09:3616:00152 min16:000 min24 Jul
London15:21 → 14:3617:51189 min17:500 min24 Jul
Durban16:21 → 15:3615:1258 min15:1323 min24 Jul
Dubai18:21 → 17:3616:2747 min16:2669 min25 Jul
Delhi19:51 → 19:0616:330 min16:33153 min25 Jul
Kolkata19:51 → 19:0615:420 min15:42159 min25 Jul
Singapore22:21 → 21:3616:500 min16:50146 min25 Jul
Sydney00:21 → 23:3615:070 min15:07124 min25 Jul
Suva02:21 → 01:3615:350 min15:35135 min25 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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