Ruling · Nāga Pañcamī · 1942

Sunday 16 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 57 s away. Say “contested”.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 16 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:58  13:46 madhyāhna ends
Pañcamī begins 13:00:09
12:1012:3412:5813:2213:4614:1014:34

46 of 48 minutes covered, the last 46

Midday of Monday 17 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:58  13:46 madhyāhna ends
Pañcamī ends 12:15:41
12:1012:3412:5813:2213:4614:1014:34

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 13:00 on Sun 16 Aug to 12:16 on Mon 17 Aug.

    1942-08-16T04:00:10Z → 1942-08-17T03:15:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 16th, 12:58–13:46 on the 17th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 46 of 48 minutes on the 16th and 0 of 48 on the 17th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 117 s < 300 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1942: Sunday 16 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Nāga Pañcamī 1942 falls on Sunday 16 August. Pañcamī runs from 13:00 on Sun 16 Aug to 12:16 on Mon 17 Aug and covers 46 of 48 minutes of madhyāhna that midday. It is 1 min 57 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1942/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 16 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 16 Aug
compat-drikpanchangComparison profileMon 17 Aug
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/naga-panchami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“S 5 Naga pancami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles21:00 → 20:1612:3348 min12:330 min16 Aug
Chicago23:00 → 22:1612:3148 min12:300 min16 Aug
Jersey City00:00 → 23:1612:3648 min12:360 min16 Aug
Port of Spain01:00 → 00:1612:4648 min12:460 min16 Aug
London05:00 → 04:1612:4048 min12:400 min16 Aug
Durban06:00 → 05:1611:3648 min11:360 min16 Aug
Dubai08:00 → 07:1611:5948 min11:590 min16 Aug
Delhi09:30 → 08:4612:0148 min12:010 min16 Aug
Kolkata09:30 → 08:4611:1748 min11:170 min16 Aug
Singapore13:00 → 12:1613:4548 min13:450 min16 Aug
Sydney14:00 → 13:1611:360 min11:3648 min17 Aug
Suva16:00 → 15:1611:470 min11:4748 min17 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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