Ruling · Kokilā Vrata · 1934

Thursday 26 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 Wednesday 25 July

Pūrṇimā is absent from sāyāhna. Not taken.

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

0 of 173 minutes covered

Late afternoon of Thursday 26 July

Taken. The only late afternoon Pūrṇimā reaches.

16:43 sāyāhna beginssunset 19:35
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 23:56 on Wed 25 Jul to 20:09 on Thu 26 Jul.

    1934-07-25T15:55:57Z → 1934-07-26T12:08:30Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:43–19:36 on the 25th, 16:43–19:35 on the 26th.

    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 25th and 172 of 172 on the 26th.

    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 1981 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1934: Thursday 26 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1934 falls on Thursday 26 July. Pūrṇimā runs from 23:56 on Wed 25 Jul to 20:09 on Thu 26 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1934/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 26 Jul
compat-drikpanchangComparison profileThu 26 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 25thCoveredSāyāhna 26thCoveredRuled
Los Angeles07:56 → 04:0916:11168 min16:110 min25 Jul
Chicago10:56 → 07:0917:20176 min17:200 min25 Jul
Jersey City11:56 → 08:0917:24175 min17:240 min25 Jul
Port of Spain11:56 → 08:0916:00152 min16:000 min25 Jul
London16:56 → 13:0917:50189 min17:500 min25 Jul
Durban17:56 → 14:0915:120 min15:120 min25 Jul
Dubai19:56 → 16:0916:260 min16:260 min25 Jul
Delhi21:26 → 17:3916:330 min16:3366 min26 Jul
Kolkata21:26 → 17:3915:420 min15:41117 min26 Jul
Singapore23:16 → 19:2916:100 min16:10146 min26 Jul
Sydney01:56 → 22:0915:060 min15:07123 min26 Jul
Suva03:56 → 00:0915:350 min15:35135 min26 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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