Ruling · Kokilā Vrata · 2003

Sunday 13 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 458 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 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 Sunday 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 05:51 on Sun 13 Jul to 03:21 on Mon 14 Jul.

    2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z

  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 27452 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2003: Sunday 13 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2003 falls on Sunday 13 July. Pūrṇimā runs from 05:51 on Sun 13 Jul to 03:21 on Mon 14 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2003/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 13 Jul
compat-drikpanchangComparison profileSun 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 Angeles14:51 → 12:2117:15171 min17:150 min12 Jul
Chicago16:51 → 14:2117:26180 min17:250 min12 Jul
Jersey City17:51 → 15:2117:29157 min17:290 min12 Jul
Port of Spain17:51 → 15:2116:0042 min16:000 min12 Jul
London22:51 → 20:2117:590 min17:58143 min13 Jul
Durban23:51 → 21:2115:080 min15:08124 min13 Jul
Dubai01:51 → 23:2116:290 min16:29163 min13 Jul
Delhi03:21 → 00:5116:360 min16:35166 min13 Jul
Kolkata03:21 → 00:5115:430 min15:43161 min13 Jul
Singapore05:51 → 03:2116:490 min16:50146 min13 Jul
Sydney07:51 → 05:2115:010 min15:02121 min13 Jul
Suva09:51 → 07:2115:320 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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