Ruling · Kokilā Vrata · 1949

Saturday 9 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 17 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 9 July

Taken. The only late afternoon Pūrṇimā reaches.

16:48 sāyāhna beginssunset 19:45
Pūrṇimā begins 16:31:15
16:2416:4817:1217:3618:0018:2418:4819:1219:3620:00

177 of 177 minutes covered

Late afternoon of Sunday 10 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 16:31 on Sat 9 Jul to 15:41 on Sun 10 Jul.

    1949-07-09T08:31:16Z → 1949-07-10T07:41:09Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:45 on the 9th, 16:48–19:45 on the 10th.

    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 9th and 0 of 177 on the 10th.

    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 1027 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1949: Saturday 9 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1949 falls on Saturday 9 July. Pūrṇimā runs from 16:31 on Sat 9 Jul to 15:41 on Sun 10 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1949/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 9 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 9 Jul
compat-drikpanchangComparison profileSat 9 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 9thCoveredSāyāhna 10thCoveredRuled
Los Angeles00:31 → 23:4116:15172 min16:150 min9 Jul
Chicago03:31 → 02:4117:26181 min17:260 min9 Jul
Jersey City04:31 → 03:4117:30179 min17:300 min9 Jul
Port of Spain04:31 → 03:4116:00153 min16:000 min9 Jul
London09:31 → 08:4118:00196 min18:000 min9 Jul
Durban10:31 → 09:4115:07124 min15:070 min9 Jul
Dubai12:31 → 11:4116:29163 min16:290 min9 Jul
Delhi14:01 → 13:1116:36166 min16:360 min9 Jul
Kolkata14:01 → 13:1115:43161 min15:430 min9 Jul
Singapore16:01 → 15:1116:19146 min16:190 min9 Jul
Sydney18:31 → 17:4115:000 min15:01120 min10 Jul
Suva20:31 → 19:4115:310 min15:31133 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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