Ruling · Kokilā Vrata · 1939

Saturday 1 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 193 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 Friday 30 June

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

Late afternoon of Saturday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 23:00 on Fri 30 Jun to 00:16 on Sun 2 Jul.

    1939-06-30T14:59:47Z → 1939-07-01T16:15:58Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:49–19:47 on the 30th, 16:49–19:47 on the 1st.

    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 178 minutes on the 30th and 178 of 178 on the 1st.

    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 11563 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1939: Saturday 1 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1939 falls on Saturday 1 July. Pūrṇimā runs from 23:00 on Fri 30 Jun to 00:16 on Sun 2 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1939/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 1 Jul
compat-drikpanchangComparison profileSat 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 30thCoveredSāyāhna 1stCoveredRuled
Los Angeles07:00 → 08:1616:15173 min16:150 min30 Jun
Chicago10:00 → 11:1617:27182 min17:270 min30 Jun
Jersey City11:00 → 12:1617:31181 min17:310 min30 Jun
Port of Spain11:00 → 12:1615:59153 min15:590 min30 Jun
London16:00 → 17:1618:02199 min18:020 min30 Jun
Durban17:00 → 18:1615:037 min15:04123 min1 Jul
Dubai19:00 → 20:1616:2812 min16:28164 min1 Jul
Delhi20:30 → 21:4616:350 min16:35167 min1 Jul
Kolkata20:30 → 21:4615:430 min15:43162 min1 Jul
Singapore22:20 → 23:3616:070 min16:07146 min1 Jul
Sydney01:00 → 02:1614:570 min14:57119 min1 Jul
Suva03:00 → 04:1615:280 min15:29133 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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