Ruling · Kokilā Vrata · 1996

Tuesday 30 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 56 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 29 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:41 sāyāhna beginssunset 19:32
16:1716:4117:0517:2917:5318:1718:4119:0519:2919:53

0 of 171 minutes covered

Late afternoon of Tuesday 30 July

Taken. The only late afternoon Pūrṇimā reaches.

16:40 sāyāhna beginssunset 19:31
Pūrṇimā ends 18:35:09
16:1616:4017:0417:2817:5218:1618:4019:0419:2819:52

115 of 171 minutes covered, the first 115

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 22:32 on Mon 29 Jul to 18:35 on Tue 30 Jul.

    1996-07-29T14:32:16Z → 1996-07-30T10:35:10Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:41–19:32 on the 29th, 16:40–19:31 on the 30th.

    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 171 minutes on the 29th and 115 of 171 on the 30th.

    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 3354 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1996: Tuesday 30 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1996 falls on Tuesday 30 July. Pūrṇimā runs from 22:32 on Mon 29 Jul to 18:35 on Tue 30 Jul and covers 115 of 171 minutes of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1996/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 30 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 30 Jul
compat-drikpanchangComparison profileTue 30 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 29thCoveredSāyāhna 30thCoveredRuled
Los Angeles07:32 → 03:3517:09167 min17:090 min29 Jul
Chicago09:32 → 05:3517:17174 min17:170 min29 Jul
Jersey City10:32 → 06:3517:21173 min17:210 min29 Jul
Port of Spain10:32 → 06:3515:59151 min15:590 min29 Jul
London15:32 → 11:3517:46186 min17:450 min29 Jul
Durban16:32 → 12:3515:1449 min15:140 min29 Jul
Dubai18:32 → 14:3516:2533 min16:250 min29 Jul
Delhi20:02 → 16:0516:310 min16:310 min29 Jul
Kolkata20:02 → 16:0515:400 min15:4025 min30 Jul
Singapore22:32 → 18:3516:500 min16:50105 min30 Jul
Sydney00:32 → 20:3515:090 min15:09125 min30 Jul
Suva02:32 → 22:3515:360 min15:36135 min30 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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