Ruling · Nāga Pañcamī · 2008

Wednesday 6 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 37 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 5 August

Qualifies with 14 of 48 minutes. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Pañcamī begins 12:33:24
11:1211:3612:0012:2412:4813:1213:36

14 of 48 minutes covered, the last 14

Midday of Wednesday 6 August

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 12:00  12:48 madhyāhna ends
Pañcamī ends 12:49:21
11:1211:3612:0012:2412:4813:1213:36

48 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 12:33 on Tue 5 Aug to 12:49 on Wed 6 Aug.

    2008-08-05T04:33:25Z → 2008-08-06T04:49:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 5th, 12:00–12:48 on the 6th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 14 of 48 minutes on the 5th and 48 of 48 on the 6th.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 97 s < 300 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 2008: Wednesday 6 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Nāga Pañcamī 2008 falls on Wednesday 6 August. Pañcamī runs from 12:33 on Tue 5 Aug to 12:49 on Wed 6 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 14 minutes; by the rule the second midday is taken. It is 1 min 37 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2008/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 6 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 6 Aug
compat-drikpanchangComparison profileWed 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles21:33 → 21:4912:3548 min12:350 min5 Aug
Chicago23:33 → 23:4912:3248 min12:320 min5 Aug
Jersey City00:33 → 00:4912:3848 min12:380 min5 Aug
Port of Spain00:33 → 00:4911:4848 min11:480 min5 Aug
London05:33 → 05:4912:4248 min12:420 min5 Aug
Durban06:33 → 06:4911:3848 min11:380 min5 Aug
Dubai08:33 → 08:4912:0148 min12:000 min5 Aug
Delhi10:03 → 10:1912:0348 min12:030 min5 Aug
Kolkata10:03 → 10:1911:1848 min11:180 min5 Aug
Singapore12:33 → 12:4912:4748 min12:463 min6 Aug
Sydney14:33 → 14:4911:370 min11:3748 min6 Aug
Suva16:33 → 16:4911:480 min11:4848 min6 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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