Ruling · Kārtikī Pūrṇimā · 1934

Wednesday 21 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 30 s away. Say “contested”.

Decide it for

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 20 November

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
Pūrṇimā begins 12:50:18
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Wednesday 21 November

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
Pūrṇimā ends 12:26:12
10:5211:1611:4012:0412:2812:5213:16

46 of 48 minutes covered, the first 46

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 12:50 on Tue 20 Nov to 12:26 on Wed 21 Nov.

    1934-11-20T04:50:19Z → 1934-11-21T04:26:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 20th, 11:40–12:28 on the 21st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 46 of 48 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 90 s < 300 s

  5. 05

    Ruling

    Kārtikī Pūrṇimā, Baoding, 1934: Wednesday 21 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Kārtikī Pūrṇimā 1934 falls on Wednesday 21 November. Pūrṇimā runs from 12:50 on Tue 20 Nov to 12:26 on Wed 21 Nov and covers 46 of 48 minutes of madhyāhna that midday. It is 1 min 30 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1934/kartiki-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 21 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 21 Nov
compat-drikpanchangComparison profileWed 21 Nov
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/kartiki-purnima · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles20:50 → 20:2611:1448 min11:150 min20 Nov
Chicago22:50 → 22:2611:1248 min11:120 min20 Nov
Jersey City23:50 → 23:2611:1848 min11:180 min20 Nov
Port of Spain00:50 → 00:2611:2848 min11:280 min20 Nov
London04:50 → 04:2611:2248 min11:220 min20 Nov
Durban06:50 → 06:2611:1848 min11:180 min20 Nov
Dubai08:50 → 08:2611:4048 min11:400 min20 Nov
Delhi10:20 → 09:5611:4248 min11:430 min20 Nov
Kolkata10:20 → 09:5610:5848 min10:580 min20 Nov
Singapore12:10 → 11:4611:4624 min11:460 min20 Nov
Sydney14:50 → 14:2611:170 min11:1748 min21 Nov
Suva16:50 → 16:2611:280 min11:2848 min21 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
kartiki-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa