Ruling · Vyāsa Pūjā · 1918

Tuesday 23 July

Boundaryin Baoding, under the Rashtriya Panchang method. Pūrṇimā reaches the first three muhūrtas after sunrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings

One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Tuesday 23 July

Taken. Pūrṇimā reaches neither morning; this is the day it falls on.

05:10 sunrisethree muhūrtas on 08:04
Pūrṇimā begins 06:22:54
04:4605:1005:3405:5806:2206:4607:1007:3407:5808:22

101 of 174 minutes covered, the last 101

Morning of Wednesday 24 July

Pūrṇimā is absent from the first three muhūrtas after sunrise. Not taken.

05:11 sunrisethree muhūrtas on 08:04
04:4705:1105:3505:5906:2306:4707:1107:3507:5908:23

0 of 173 minutes covered

Pūrṇimā presentThe first three muhūrtas after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:23 on Tue 23 Jul to 04:34 on Wed 24 Jul.

    1918-07-22T22:22:54Z → 1918-07-23T20:34:24Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:10–08:04 on the 23rd, 05:11–08:04 on the 24th.

    udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 101 of 174 minutes on the 23rd and 0 of 173 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither morning qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 2210 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 1918: Tuesday 23 July.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vyāsa Pūjā 1918 falls on Tuesday 23 July. Pūrṇimā runs from 06:23 on Tue 23 Jul to 04:34 on Wed 24 Jul, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/1918/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 23 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 23 Jul
compat-drikpanchangComparison profileTue 23 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/vyasa-puja · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
The first three muhūrtas after sunrise
Priority
Paraviddhā
Tie-break
Second day
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.

PlacePūrṇimāSunrise 22ndCoveredSunrise 23rdCoveredRuled
Los Angeles15:23 → 13:3405:570 min05:58169 min23 Jul
Chicago17:23 → 15:3405:340 min05:35177 min23 Jul
Jersey City18:23 → 16:3405:430 min05:44175 min23 Jul
Port of Spain18:23 → 16:3405:530 min05:53152 min23 Jul
London23:23 → 21:3405:090 min05:10191 min23 Jul
Durban00:23 → 22:3406:480 min06:47126 min23 Jul
Dubai02:04 → 00:1505:220 min05:22161 min23 Jul
Delhi03:53 → 02:0405:360 min05:37164 min23 Jul
Kolkata03:53 → 02:0405:030 min05:04160 min23 Jul
Singapore05:23 → 03:3406:060 min06:06146 min23 Jul
Sydney08:23 → 06:3406:550 min06:5535 min23 Jul
Suva10:23 → 08:3406:370 min06:370 min23 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vyasa-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa