Ruling · Kokilā Vrata · 2006

Monday 10 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 205 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 Monday 10 July

Taken. The only late afternoon Pūrṇimā reaches.

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

177 of 177 minutes covered

Late afternoon of Tuesday 11 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 176 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 13:23 on Mon 10 Jul to 11:02 on Tue 11 Jul.

    2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:45 on the 10th, 16:48–19:45 on the 11th.

    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 10th and 0 of 176 on the 11th.

    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 12294 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2006: Monday 10 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2006 falls on Monday 10 July. Pūrṇimā runs from 13:23 on Mon 10 Jul to 11:02 on Tue 11 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2006/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 10 Jul
compat-drikpanchangComparison profileMon 10 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 10thCoveredSāyāhna 11thCoveredRuled
Los Angeles22:23 → 20:0217:15167 min17:150 min10 Jul
Chicago00:23 → 22:0217:26180 min17:260 min10 Jul
Jersey City01:23 → 23:0217:30179 min17:300 min10 Jul
Port of Spain01:23 → 23:0216:00152 min16:000 min10 Jul
London06:23 → 04:0218:00196 min17:590 min10 Jul
Durban07:23 → 05:0215:07124 min15:080 min10 Jul
Dubai09:23 → 07:0216:29163 min16:290 min10 Jul
Delhi10:53 → 08:3216:36166 min16:360 min10 Jul
Kolkata10:53 → 08:3215:44161 min15:440 min10 Jul
Singapore13:23 → 11:0216:49146 min16:490 min10 Jul
Sydney15:23 → 13:0215:0198 min15:010 min10 Jul
Suva17:23 → 15:0215:3121 min15:320 min10 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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