Ruling · Kārtikī Pūrṇimā · 1906

Wednesday 31 October

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 Wednesday 31 October

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

madhyāhna begins 11:38  12:26 madhyāhna ends
Pūrṇimā begins 11:05:39
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Thursday 1 November

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
Pūrṇimā ends 12:45:47
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 11:06 on Wed 31 Oct to 12:46 on Thu 1 Nov.

    1906-10-31T03:05:39Z → 1906-11-01T04:45:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.

    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 31st and 48 of 48 on the 1st.

    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 1211 s

  5. 05

    Ruling

    Kārtikī Pūrṇimā, Baoding, 1906: Wednesday 31 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Kārtikī Pūrṇimā 1906 falls on Wednesday 31 October. Pūrṇimā runs from 11:06 on Wed 31 Oct to 12:46 on Thu 1 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 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/1906/kartiki-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 31 Oct
compat-drikpanchangComparison profileWed 31 Oct
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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles19:06 → 20:4611:1248 min11:120 min31 Oct
Chicago21:06 → 22:4611:1048 min11:100 min31 Oct
Jersey City22:06 → 23:4611:1648 min11:160 min31 Oct
Port of Spain23:06 → 00:4611:2648 min11:260 min31 Oct
London03:06 → 04:4611:2048 min11:200 min31 Oct
Durban05:06 → 06:4611:1648 min11:160 min31 Oct
Dubai06:47 → 08:2711:1948 min11:190 min31 Oct
Delhi08:36 → 10:1611:4148 min11:410 min31 Oct
Kolkata08:36 → 10:1610:5648 min10:560 min31 Oct
Singapore10:06 → 11:4611:2448 min11:2421 min31 Oct
Sydney13:06 → 14:4611:150 min11:1548 min1 Nov
Suva15:01 → 16:4111:210 min11:2148 min1 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