Ruling · Kokilā Vrata · 2017

Saturday 8 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 282 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 Saturday 8 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

177 of 177 minutes covered

Late afternoon of Sunday 9 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:48 sāyāhna beginssunset 19:45
16:2416:4817:1217:3618:0018:2418:4819:1219:3620:00

0 of 177 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 10:01 on Sat 8 Jul to 12:07 on Sun 9 Jul.

    2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:46 on the 8th, 16:48–19:45 on the 9th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 177 of 177 minutes on the 8th and 0 of 177 on the 9th.

    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 16911 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2017: Saturday 8 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2017 falls on Saturday 8 July. Pūrṇimā runs from 10:01 on Sat 8 Jul to 12:07 on Sun 9 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2017/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 8 Jul
compat-drikpanchangComparison profileSat 8 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 8thCoveredSāyāhna 9thCoveredRuled
Los Angeles19:01 → 21:0717:15172 min17:150 min8 Jul
Chicago21:01 → 23:0717:26181 min17:260 min8 Jul
Jersey City22:01 → 00:0717:30179 min17:300 min8 Jul
Port of Spain22:01 → 00:0716:00153 min16:000 min8 Jul
London03:01 → 05:0718:00197 min18:000 min8 Jul
Durban04:01 → 06:0715:07124 min15:070 min8 Jul
Dubai06:01 → 08:0716:29163 min16:290 min8 Jul
Delhi07:31 → 09:3716:36166 min16:360 min8 Jul
Kolkata07:31 → 09:3715:44161 min15:440 min8 Jul
Singapore10:01 → 12:0716:49146 min16:490 min8 Jul
Sydney12:01 → 14:0715:00120 min15:010 min8 Jul
Suva14:01 → 16:0715:31133 min15:3135 min8 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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