Ruling · Nāga Pañcamī · 1918

Monday 12 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 45 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 Sunday 11 August

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Monday 12 August

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

madhyāhna begins 11:59  12:47 madhyāhna ends
Pañcamī ends 13:32:08
11:1111:3511:5912:2312:4713:1113:35

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 11:07 on Sun 11 Aug to 13:32 on Mon 12 Aug.

    1918-08-11T03:06:50Z → 1918-08-12T05:32:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 11th, 11:59–12:47 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 2714 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1918: Monday 12 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1918 falls on Monday 12 August. Pañcamī runs from 11:07 on Sun 11 Aug to 13:32 on Mon 12 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/1918/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 12 Aug
compat-drikpanchangComparison profileMon 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles20:07 → 22:3212:3448 min12:340 min11 Aug
Chicago22:07 → 00:3212:3148 min12:310 min11 Aug
Jersey City23:07 → 01:3212:3748 min12:370 min11 Aug
Port of Spain23:07 → 01:3211:4748 min11:470 min11 Aug
London04:07 → 06:3212:4148 min12:410 min11 Aug
Durban05:07 → 07:3211:3748 min11:370 min11 Aug
Dubai06:48 → 09:1311:4148 min11:410 min11 Aug
Delhi08:37 → 11:0212:0248 min12:020 min11 Aug
Kolkata08:37 → 11:0211:1848 min11:170 min11 Aug
Singapore10:07 → 12:3211:4648 min11:4646 min12 Aug
Sydney13:07 → 15:3211:370 min11:3648 min12 Aug
Suva15:07 → 17:3211:480 min11:4748 min12 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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