Ruling · Kokilā Vrata · 2004

Friday 2 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 38 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 Thursday 1 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:49 sāyāhna beginssunset 19:47
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

0 of 178 minutes covered

Late afternoon of Friday 2 July

Taken. The only late afternoon Pūrṇimā reaches.

16:49 sāyāhna beginssunset 19:47
Pūrṇimā ends 19:08:54
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

140 of 178 minutes covered, the first 140

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 23:01 on Thu 1 Jul to 19:09 on Fri 2 Jul.

    2004-07-01T15:01:23Z → 2004-07-02T11:08:55Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 1st, 16:49–19:47 on the 2nd.

    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 178 minutes on the 1st and 140 of 178 on the 2nd.

    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 2280 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2004: Friday 2 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2004 falls on Friday 2 July. Pūrṇimā runs from 23:01 on Thu 1 Jul to 19:09 on Fri 2 Jul and covers 140 of 178 minutes of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2004/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 2 Jul
compat-drikpanchangComparison profileFri 2 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 1stCoveredSāyāhna 2ndCoveredRuled
Los Angeles08:01 → 04:0917:16172 min17:160 min1 Jul
Chicago10:01 → 06:0917:27182 min17:270 min1 Jul
Jersey City11:01 → 07:0917:31180 min17:310 min1 Jul
Port of Spain11:01 → 07:0915:59153 min15:590 min1 Jul
London16:01 → 12:0918:02198 min18:020 min1 Jul
Durban17:01 → 13:0915:046 min15:050 min1 Jul
Dubai19:01 → 15:0916:2911 min16:290 min1 Jul
Delhi20:31 → 16:3916:360 min16:363 min2 Jul
Kolkata20:31 → 16:3915:430 min15:4356 min2 Jul
Singapore23:01 → 19:0916:480 min16:48141 min2 Jul
Sydney01:01 → 21:0914:580 min14:58119 min2 Jul
Suva03:01 → 23:0915:290 min15:29133 min2 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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