Ruling · Nāga Pañcamī · 2073

Tuesday 8 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 21 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 Monday 7 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Tuesday 8 August

Taken. Pañcamī reaches neither midday; the rule takes the second day.

madhyāhna begins 12:00  12:48 madhyāhna ends
Pañcamī ends 11:56:23
11:1211:3612:0012:2412:4813:1213:36

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 14:40 on Mon 7 Aug to 11:56 on Tue 8 Aug.

    2073-08-07T06:40:25Z → 2073-08-08T03:56:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 7th, 12:00–12:48 on the 8th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 0 of 48 on the 8th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 201 s < 300 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 2073: Tuesday 8 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Nāga Pañcamī 2073 falls on Tuesday 8 August. Pañcamī runs from 14:40 on Mon 7 Aug to 11:56 on Tue 8 Aug, and reaches madhyāhna on neither day. It is 3 min 21 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2073/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 8 Aug
compat-drikpanchangComparison profileTue 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles23:40 → 20:5612:3548 min12:350 min7 Aug
Chicago01:40 → 22:5612:3248 min12:320 min7 Aug
Jersey City02:40 → 23:5612:3848 min12:380 min7 Aug
Port of Spain02:40 → 23:5611:4848 min11:480 min7 Aug
London07:40 → 04:5612:4248 min12:420 min7 Aug
Durban08:40 → 05:5611:3848 min11:380 min7 Aug
Dubai10:40 → 07:5612:0148 min12:000 min7 Aug
Delhi12:10 → 09:2612:0340 min12:030 min7 Aug
Kolkata12:10 → 09:2611:180 min11:180 min8 Aug
Singapore14:40 → 11:5612:470 min12:460 min8 Aug
Sydney16:40 → 13:5611:370 min11:3748 min8 Aug
Suva18:40 → 15:5611:480 min11:4848 min8 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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