Ruling · Kokilā Vrata · 1928

Monday 2 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 360 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 Monday 2 July

Taken. The only late afternoon Pūrṇimā reaches.

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

178 of 178 minutes covered

Late afternoon of Tuesday 3 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

Pūrṇimā presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 09:14 on Mon 2 Jul to 10:48 on Tue 3 Jul.

    1928-07-02T01:13:55Z → 1928-07-03T02:48:23Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 2nd, 16:49–19:47 on the 3rd.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 178 of 178 minutes on the 2nd and 0 of 178 on the 3rd.

    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 21627 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1928: Monday 2 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1928 falls on Monday 2 July. Pūrṇimā runs from 09:14 on Mon 2 Jul to 10:48 on Tue 3 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1928/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 2 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 2 Jul
compat-drikpanchangComparison profileMon 2 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 2ndCoveredSāyāhna 3rdCoveredRuled
Los Angeles17:14 → 18:4816:15153 min16:150 min2 Jul
Chicago20:14 → 21:4817:27182 min17:270 min2 Jul
Jersey City21:14 → 22:4817:31180 min17:300 min2 Jul
Port of Spain21:14 → 22:4815:59153 min15:590 min2 Jul
London02:14 → 03:4818:02198 min18:020 min2 Jul
Durban03:14 → 04:4815:04123 min15:050 min2 Jul
Dubai05:14 → 06:4816:28164 min16:280 min2 Jul
Delhi06:44 → 08:1816:36167 min16:360 min2 Jul
Kolkata06:44 → 08:1815:43162 min15:430 min2 Jul
Singapore08:14 → 09:4815:48146 min15:480 min2 Jul
Sydney11:14 → 12:4814:58119 min14:580 min2 Jul
Suva13:14 → 14:4815:29133 min15:290 min2 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