Ruling · Kokilā Vrata · 2052

Thursday 11 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 505 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 Thursday 11 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

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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 07:05 on Thu 11 Jul to 08:23 on Fri 12 Jul.

    2052-07-10T23:05:30Z → 2052-07-12T00:23:21Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:44 on the 11th, 16:48–19:44 on the 12th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 176 of 176 minutes on the 11th and 0 of 176 on the 12th.

    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 30271 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2052: Thursday 11 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2052 falls on Thursday 11 July. Pūrṇimā runs from 07:05 on Thu 11 Jul to 08:23 on Fri 12 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2052/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 11 Jul
compat-drikpanchangComparison profileThu 11 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 10thCoveredSāyāhna 12thCoveredRuled
Los Angeles16:05 → 17:2317:15171 min17:150 min10 Jul
Chicago18:05 → 19:2317:26141 min17:260 min10 Jul
Jersey City19:05 → 20:2317:3083 min17:290 min11 Jul
Port of Spain19:05 → 20:2316:000 min16:000 min11 Jul
London00:05 → 01:2317:590 min17:580 min11 Jul
Durban01:05 → 02:2315:080 min15:080 min11 Jul
Dubai03:05 → 04:2316:290 min16:290 min11 Jul
Delhi04:35 → 05:5316:360 min16:360 min11 Jul
Kolkata04:35 → 05:5315:440 min15:440 min11 Jul
Singapore07:05 → 08:2316:490 min16:500 min11 Jul
Sydney09:05 → 10:2315:010 min15:020 min11 Jul
Suva11:05 → 12:2315:320 min15:320 min11 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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