Ruling · Nāga Pañcamī · 1980

Saturday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

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 Friday 15 August

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Saturday 16 August

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

madhyāhna begins 11:58  12:46 madhyāhna ends
Pañcamī ends 13:02:29
11:1011:3411:5812:2212:4613:1013:34

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 10:34 on Fri 15 Aug to 13:02 on Sat 16 Aug.

    1980-08-15T02:34:30Z → 1980-08-16T05:02:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 15th, 11:58–12:46 on the 16th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 48 of 48 on the 16th.

    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 985 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1980: Saturday 16 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1980 falls on Saturday 16 August. Pañcamī runs from 10:34 on Fri 15 Aug to 13:02 on Sat 16 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/1980/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 16 Aug
compat-drikpanchangComparison profileSat 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles19:34 → 22:0212:3348 min12:330 min15 Aug
Chicago21:34 → 00:0212:3148 min12:300 min15 Aug
Jersey City22:34 → 01:0212:3648 min12:360 min15 Aug
Port of Spain22:34 → 01:0211:4648 min11:460 min15 Aug
London03:34 → 06:0212:4048 min12:400 min15 Aug
Durban04:34 → 07:0211:3648 min11:360 min15 Aug
Dubai06:34 → 09:0211:5948 min11:590 min15 Aug
Delhi08:04 → 10:3212:0148 min12:010 min15 Aug
Kolkata08:04 → 10:3211:1748 min11:170 min15 Aug
Singapore10:04 → 12:3212:1548 min12:1518 min16 Aug
Sydney12:34 → 15:0211:360 min11:3648 min16 Aug
Suva14:34 → 17:0211:470 min11:4748 min16 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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