Ruling · Kokilā Vrata · 2041

Saturday 13 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 437 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 Friday 12 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:48 sāyāhna beginssunset 19:44
16:2416:4817:1217:3618:0018:2418:4819:1219:3620:00

0 of 176 minutes covered

Late afternoon of Saturday 13 July

Taken. The only late afternoon Pūrṇimā reaches.

16:48 sāyāhna beginssunset 19:44
16:2416:4817:1217:3618:0018:2418:4819:1219:3620:00

176 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 06:08 on Sat 13 Jul to 03:01 on Sun 14 Jul.

    2041-07-12T22:07:39Z → 2041-07-13T19:00:53Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:44 on the 12th, 16:48–19:44 on the 13th.

    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 176 minutes on the 12th and 176 of 176 on the 13th.

    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 26240 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2041: Saturday 13 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2041 falls on Saturday 13 July. Pūrṇimā runs from 06:08 on Sat 13 Jul to 03:01 on Sun 14 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2041/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 13 Jul
compat-drikpanchangComparison profileSat 13 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 12thCoveredSāyāhna 13thCoveredRuled
Los Angeles15:08 → 12:0117:15171 min17:150 min12 Jul
Chicago17:08 → 14:0117:26180 min17:250 min12 Jul
Jersey City18:08 → 15:0117:29140 min17:290 min12 Jul
Port of Spain18:08 → 15:0116:0025 min16:000 min12 Jul
London23:08 → 20:0117:590 min17:58123 min13 Jul
Durban00:08 → 21:0115:080 min15:09124 min13 Jul
Dubai02:08 → 23:0116:290 min16:29163 min13 Jul
Delhi03:38 → 00:3116:360 min16:35166 min13 Jul
Kolkata03:38 → 00:3115:440 min15:43161 min13 Jul
Singapore06:08 → 03:0116:500 min16:50146 min13 Jul
Sydney08:08 → 05:0115:020 min15:02121 min13 Jul
Suva10:08 → 07:0115:320 min15:32133 min13 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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