Ruling · Kokilā Vrata · 1963

Saturday 6 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 565 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 Friday 5 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 Saturday 6 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 05:12 on Sat 6 Jul to 05:55 on Sun 7 Jul.

    1963-07-05T21:11:45Z → 1963-07-06T21:55:24Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 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 0 of 178 minutes on the 5th and 178 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 33913 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1963: Saturday 6 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1963 falls on Saturday 6 July. Pūrṇimā runs from 05:12 on Sat 6 Jul to 05:55 on Sun 7 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1963/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 6 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 6 Jul
compat-drikpanchangComparison profileSat 6 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 Angeles14:12 → 14:5517:16172 min17:150 min5 Jul
Chicago16:12 → 16:5517:27181 min17:270 min5 Jul
Jersey City17:12 → 17:5517:30180 min17:3025 min5 Jul
Port of Spain17:12 → 17:5515:5980 min16:00116 min6 Jul
London22:12 → 22:5518:010 min18:01197 min6 Jul
Durban23:12 → 23:5515:050 min15:05123 min6 Jul
Dubai01:12 → 01:5516:290 min16:29164 min6 Jul
Delhi02:42 → 03:2516:360 min16:36167 min6 Jul
Kolkata02:42 → 03:2515:430 min15:43162 min6 Jul
Singapore04:42 → 05:2516:180 min16:18146 min6 Jul
Sydney07:12 → 07:5514:590 min14:59120 min6 Jul
Suva09:12 → 09:5515:300 min15:30133 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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