Ruling · Kokilā Vrata · 2080

Monday 1 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 279 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 1 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 2 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 10:05 on Mon 1 Jul to 12:10 on Tue 2 Jul.

    2080-07-01T02:05:08Z → 2080-07-02T04:10:08Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 1st, 16:49–19:47 on the 2nd.

    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 1st and 0 of 178 on the 2nd.

    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 16752 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 2080: Monday 1 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 2080 falls on Monday 1 July. Pūrṇimā runs from 10:05 on Mon 1 Jul to 12:10 on Tue 2 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2080/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 1 Jul
compat-drikpanchangComparison profileMon 1 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 1stCoveredSāyāhna 2ndCoveredRuled
Los Angeles19:05 → 21:1017:16172 min17:160 min1 Jul
Chicago21:05 → 23:1017:28182 min17:280 min1 Jul
Jersey City22:05 → 00:1017:31180 min17:310 min1 Jul
Port of Spain22:05 → 00:1016:00153 min16:000 min1 Jul
London03:05 → 05:1018:02198 min18:020 min1 Jul
Durban04:05 → 06:1015:05123 min15:050 min1 Jul
Dubai06:05 → 08:1016:29164 min16:290 min1 Jul
Delhi07:35 → 09:4016:36167 min16:360 min1 Jul
Kolkata07:35 → 09:4015:44162 min15:440 min1 Jul
Singapore10:05 → 12:1016:48146 min16:490 min1 Jul
Sydney12:05 → 14:1014:58119 min14:590 min1 Jul
Suva14:05 → 16:1015:30133 min15:3040 min1 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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