Ruling · Kokilā Vrata · 2001

Thursday 5 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 109 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 Wednesday 4 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:49 sāyāhna beginssunset 19:47
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

0 of 178 minutes covered

Late afternoon of Thursday 5 July

Taken. The only late afternoon Pūrṇimā reaches.

16:49 sāyāhna beginssunset 19:46
16:2516:4917:1317:3718:0118:2518:4919:1319:3720:01

178 of 178 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 21:36 on Wed 4 Jul to 23:04 on Thu 5 Jul.

    2001-07-04T13:35:38Z → 2001-07-05T15:03:46Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 4th, 16:49–19:46 on the 5th.

    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 178 minutes on the 4th and 178 of 178 on the 5th.

    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 6542 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2001: Thursday 5 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2001 falls on Thursday 5 July. Pūrṇimā runs from 21:36 on Wed 4 Jul to 23:04 on Thu 5 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2001/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 5 Jul
compat-drikpanchangComparison profileThu 5 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 4thCoveredSāyāhna 5thCoveredRuled
Los Angeles06:36 → 08:0417:16172 min17:160 min4 Jul
Chicago08:36 → 10:0417:27181 min17:270 min4 Jul
Jersey City09:36 → 11:0417:31180 min17:300 min4 Jul
Port of Spain09:36 → 11:0416:00153 min16:000 min4 Jul
London14:36 → 16:0418:01198 min18:010 min4 Jul
Durban15:36 → 17:0415:0593 min15:05118 min5 Jul
Dubai17:36 → 19:0416:2997 min16:29155 min5 Jul
Delhi19:06 → 20:3416:3617 min16:36167 min5 Jul
Kolkata19:06 → 20:3415:430 min15:43162 min5 Jul
Singapore21:36 → 23:0416:480 min16:48146 min5 Jul
Sydney23:36 → 01:0414:590 min14:59120 min5 Jul
Suva01:36 → 03:0415:300 min15:30133 min5 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