Ruling · Kokilā Vrata · 2053

Wednesday 30 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 200 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 29 July

Pūrṇimā is absent from sāyāhna. Not taken.

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

0 of 171 minutes covered

Late afternoon of Wednesday 30 July

Taken. The only late afternoon Pūrṇimā reaches.

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

171 of 171 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 22:52 on Tue 29 Jul to 01:06 on Thu 31 Jul.

    2053-07-29T14:52:04Z → 2053-07-30T17:06:26Z

  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 0 of 171 minutes on the 29th and 171 of 171 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 12006 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2053: Wednesday 30 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2053 falls on Wednesday 30 July. Pūrṇimā runs from 22:52 on Tue 29 Jul to 01:06 on Thu 31 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2053/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 30 Jul
compat-drikpanchangComparison profileWed 30 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 29thCoveredSāyāhna 30thCoveredRuled
Los Angeles07:52 → 10:0617:09167 min17:090 min29 Jul
Chicago09:52 → 12:0617:18174 min17:170 min29 Jul
Jersey City10:52 → 13:0617:22173 min17:210 min29 Jul
Port of Spain10:52 → 13:0615:59151 min15:590 min29 Jul
London15:52 → 18:0617:46186 min17:4521 min29 Jul
Durban16:52 → 19:0615:1430 min15:15128 min30 Jul
Dubai18:52 → 21:0616:2513 min16:25160 min30 Jul
Delhi20:22 → 22:3616:310 min16:31162 min30 Jul
Kolkata20:22 → 22:3615:400 min15:40158 min30 Jul
Singapore22:52 → 01:0616:500 min16:50146 min30 Jul
Sydney00:52 → 03:0615:090 min15:09125 min30 Jul
Suva02:52 → 05:0615:360 min15:36135 min30 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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