Ruling · Kokilā Vrata · 1906

Thursday 5 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 68 minutes.

Decide it for

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 5 July

Taken. The only late afternoon Pūrṇimā reaches.

16:49 sāyāhna beginssunset 19:46
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

178 of 178 minutes covered

Late afternoon of Friday 6 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:49 sāyāhna beginssunset 19:46
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

0 of 178 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 15:41 on Thu 5 Jul to 12:27 on Fri 6 Jul.

    1906-07-05T07:40:48Z → 1906-07-06T04:27:22Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:46 on the 5th, 16:49–19:46 on the 6th.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 178 of 178 minutes on the 5th and 0 of 178 on the 6th.

    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 4076 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1906: Thursday 5 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1906 falls on Thursday 5 July. Pūrṇimā runs from 15:41 on Thu 5 Jul to 12:27 on Fri 6 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1906/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 5 Jul
compat-drikpanchangComparison profileThu 5 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 5thCoveredSāyāhna 6thCoveredRuled
Los Angeles23:41 → 20:2716:15172 min16:150 min5 Jul
Chicago01:41 → 22:2716:27181 min16:270 min5 Jul
Jersey City02:41 → 23:2716:30180 min16:300 min5 Jul
Port of Spain03:41 → 00:2715:59153 min15:590 min5 Jul
London07:41 → 04:2717:01198 min17:010 min5 Jul
Durban09:41 → 06:2715:05123 min15:050 min5 Jul
Dubai11:22 → 08:0816:10164 min16:100 min5 Jul
Delhi13:11 → 09:5716:36167 min16:360 min5 Jul
Kolkata13:11 → 09:5715:43162 min15:430 min5 Jul
Singapore14:41 → 11:2715:48146 min15:480 min5 Jul
Sydney17:41 → 14:2714:580 min14:590 min5 Jul
Suva19:36 → 16:2215:250 min15:2558 min6 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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