Ruling · Kokilā Vrata · 2079

Thursday 13 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 323 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 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

Late afternoon of Friday 14 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:48 sāyāhna beginssunset 19:43
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 09:29 on Thu 13 Jul to 11:25 on Fri 14 Jul.

    2079-07-13T01:28:36Z → 2079-07-14T03:25:03Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:48–19:44 on the 13th, 16:48–19:43 on the 14th.

    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 13th and 0 of 176 on the 14th.

    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 19361 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2079: Thursday 13 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2079 falls on Thursday 13 July. Pūrṇimā runs from 09:29 on Thu 13 Jul to 11:25 on Fri 14 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2079/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 13 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 13 Jul
compat-drikpanchangComparison profileThu 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 13thCoveredSāyāhna 14thCoveredRuled
Los Angeles18:29 → 20:2517:15171 min17:150 min13 Jul
Chicago20:29 → 22:2517:26179 min17:250 min13 Jul
Jersey City21:29 → 23:2517:29178 min17:290 min13 Jul
Port of Spain21:29 → 23:2516:01152 min16:010 min13 Jul
London02:29 → 04:2517:58195 min17:580 min13 Jul
Durban03:29 → 05:2515:09124 min15:090 min13 Jul
Dubai05:29 → 07:2516:29163 min16:290 min13 Jul
Delhi06:59 → 08:5516:36166 min16:360 min13 Jul
Kolkata06:59 → 08:5515:44161 min15:440 min13 Jul
Singapore09:29 → 11:2516:50146 min16:500 min13 Jul
Sydney11:29 → 13:2515:03121 min15:030 min13 Jul
Suva13:29 → 15:2515:33133 min15:330 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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