Ruling · Kokilā Vrata · 2007

Sunday 29 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 416 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 Sunday 29 July

Taken. The only late afternoon Pūrṇimā reaches.

16:41 sāyāhna beginssunset 19:33
16:1716:4117:0517:2917:5318:1718:4119:0519:2919:53

171 of 171 minutes covered

Late afternoon of Monday 30 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul.

    2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:41–19:33 on the 29th, 16:41–19:32 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 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 24953 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2007: Sunday 29 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2007 falls on Sunday 29 July. Pūrṇimā runs from 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2007/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 29 Jul
compat-drikpanchangComparison profileSun 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 29thCoveredSāyāhna 30thCoveredRuled
Los Angeles18:45 → 17:4817:0938 min17:090 min28 Jul
Chicago20:45 → 19:4817:18150 min17:170 min29 Jul
Jersey City21:45 → 20:4817:22173 min17:210 min29 Jul
Port of Spain21:45 → 20:4815:59151 min15:590 min29 Jul
London02:45 → 01:4817:47187 min17:460 min29 Jul
Durban03:45 → 02:4815:14128 min15:140 min29 Jul
Dubai05:45 → 04:4816:25160 min16:250 min29 Jul
Delhi07:15 → 06:1816:31163 min16:310 min29 Jul
Kolkata07:15 → 06:1815:41158 min15:400 min29 Jul
Singapore09:45 → 08:4816:50146 min16:500 min29 Jul
Sydney11:45 → 10:4815:08124 min15:090 min29 Jul
Suva13:45 → 12:4815:36135 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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