Ruling · Kokilā Vrata · 2016

Tuesday 19 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 575 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 Tuesday 19 July

Taken. The only late afternoon Pūrṇimā reaches.

16:46 sāyāhna beginssunset 19:40
16:2216:4617:1017:3417:5818:2218:4619:1019:3419:58

174 of 174 minutes covered

Late afternoon of Wednesday 20 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:45 sāyāhna beginssunset 19:39
16:2116:4517:0917:3317:5718:2118:4519:0919:3319:57

0 of 174 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 07:10 on Tue 19 Jul to 06:57 on Wed 20 Jul.

    2016-07-18T23:10:23Z → 2016-07-19T22:56:35Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:46–19:40 on the 19th, 16:45–19:39 on the 20th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 174 of 174 minutes on the 19th and 0 of 174 on the 20th.

    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 34517 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2016: Tuesday 19 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2016 falls on Tuesday 19 July. Pūrṇimā runs from 07:10 on Tue 19 Jul to 06:57 on Wed 20 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2016/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 19 Jul
compat-drikpanchangComparison profileTue 19 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 18thCoveredSāyāhna 19thCoveredRuled
Los Angeles16:10 → 15:5717:13170 min17:130 min18 Jul
Chicago18:10 → 17:5717:23131 min17:2334 min18 Jul
Jersey City19:10 → 18:5717:2773 min17:2790 min19 Jul
Port of Spain19:10 → 18:5716:000 min16:00152 min19 Jul
London00:10 → 23:5717:550 min17:54192 min19 Jul
Durban01:10 → 00:5715:100 min15:11126 min19 Jul
Dubai03:10 → 02:5716:280 min16:28162 min19 Jul
Delhi04:40 → 04:2716:340 min16:34165 min19 Jul
Kolkata04:40 → 04:2715:430 min15:43160 min19 Jul
Singapore07:10 → 06:5716:500 min16:50146 min19 Jul
Sydney09:10 → 08:5715:040 min15:05122 min19 Jul
Suva11:10 → 10:5715:330 min15:34134 min19 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

About Ahargaṇa