Ruling · Kokilā Vrata · 1902

Sunday 20 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 201 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 Saturday 19 July

Pūrṇimā is absent from sāyāhna. Not taken.

16:46 sāyāhna beginssunset 19:41
16:2216:4617:1017:3417:5818:2218:4619:1019:3419:58

0 of 175 minutes covered

Late afternoon of Sunday 20 July

Taken. The only late afternoon Pūrṇimā reaches.

16:46 sāyāhna beginssunset 19:40
16:2216:4617:1017:3417:5818:2218:4619:1019:3419:58

174 of 174 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 23:02 on Sat 19 Jul to 00:45 on Mon 21 Jul.

    1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:46–19:41 on the 19th, 16:46–19:40 on the 20th.

    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 175 minutes on the 19th and 174 of 174 on the 20th.

    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 12047 s

  5. 05

    Ruling

    Kokilā Vrata, Baoding, 1902: Sunday 20 July.

    confidence: determinate

Say it like this

In Baoding, Kokilā Vrata 1902 falls on Sunday 20 July. Pūrṇimā runs from 23:02 on Sat 19 Jul to 00:45 on Mon 21 Jul and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1902/kokila-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 20 Jul
compat-drikpanchangComparison profileSun 20 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 19thCoveredSāyāhna 20thCoveredRuled
Los Angeles07:02 → 08:4516:13170 min16:130 min19 Jul
Chicago09:02 → 10:4516:23178 min16:230 min19 Jul
Jersey City10:02 → 11:4516:27177 min16:270 min19 Jul
Port of Spain11:02 → 12:4516:00152 min16:000 min19 Jul
London15:02 → 16:4516:55193 min16:540 min19 Jul
Durban16:32 → 18:1514:4014 min14:40125 min20 Jul
Dubai18:43 → 20:2616:098 min16:09162 min20 Jul
Delhi20:23 → 22:0616:250 min16:25165 min20 Jul
Kolkata20:23 → 22:0615:340 min15:34160 min20 Jul
Singapore21:57 → 23:4015:450 min15:45146 min20 Jul
Sydney01:02 → 02:4515:040 min15:04122 min20 Jul
Suva02:57 → 04:4015:280 min15:28134 min20 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

About Ahargaṇa