Ruling · Kārtikī Pūrṇimā · 2029

Tuesday 20 November

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. 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

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

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

48 of 48 minutes covered

Midday of Wednesday 21 November

Qualifies with 23 of 48 minutes. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
Pūrṇimā ends 12:02:58
10:5211:1611:4012:0412:2812:5213:16

23 of 48 minutes covered, the first 23

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 09:33 on Tue 20 Nov to 12:03 on Wed 21 Nov.

    2029-11-20T01:32:40Z → 2029-11-21T04:02:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 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 48 of 48 minutes on the 20th and 23 of 48 on the 21st.

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

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1389 s

  5. 05

    Ruling

    Kārtikī Pūrṇimā, Baoding, 2029: Tuesday 20 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Kārtikī Pūrṇimā 2029 falls on Tuesday 20 November. Pūrṇimā runs from 09:33 on Tue 20 Nov to 12:03 on Wed 21 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 23 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2029/kartiki-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 20 Nov
compat-drikpanchangComparison profileTue 20 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 Angeles17:33 → 20:0311:1548 min11:150 min20 Nov
Chicago19:33 → 22:0311:1248 min11:120 min20 Nov
Jersey City20:33 → 23:0311:1848 min11:180 min20 Nov
Port of Spain21:33 → 00:0311:2848 min11:280 min20 Nov
London01:33 → 04:0311:2248 min11:220 min20 Nov
Durban03:33 → 06:0311:1848 min11:180 min20 Nov
Dubai05:33 → 08:0311:4048 min11:410 min20 Nov
Delhi07:03 → 09:3311:4348 min11:430 min20 Nov
Kolkata07:03 → 09:3310:5848 min10:580 min20 Nov
Singapore09:33 → 12:0312:2648 min12:260 min20 Nov
Sydney12:33 → 15:0312:1732 min12:1748 min21 Nov
Suva13:33 → 16:0311:280 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