Ruling · Nāga Pañcamī · 1909

Saturday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 211 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 20 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Saturday 21 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 16:16 on Fri 20 Aug to 18:46 on Sat 21 Aug.

    1909-08-20T08:15:54Z → 1909-08-21T10:46:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 20th, 11:57–12:45 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 12638 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1909: Saturday 21 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1909 falls on Saturday 21 August. Pañcamī runs from 16:16 on Fri 20 Aug to 18:46 on Sat 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1909/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 21 Aug
compat-drikpanchangComparison profileSat 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles00:16 → 02:4611:3248 min11:320 min20 Aug
Chicago02:16 → 04:4611:3048 min11:290 min20 Aug
Jersey City03:16 → 05:4611:3548 min11:350 min20 Aug
Port of Spain04:16 → 06:4611:4548 min11:450 min20 Aug
London08:16 → 10:4611:3948 min11:390 min20 Aug
Durban10:16 → 12:4611:3548 min11:3548 min21 Aug
Dubai11:57 → 14:2711:3930 min11:3948 min21 Aug
Delhi13:46 → 16:1612:000 min12:0048 min21 Aug
Kolkata13:46 → 16:1611:160 min11:1648 min21 Aug
Singapore15:16 → 17:4611:440 min11:4448 min21 Aug
Sydney18:16 → 20:4611:350 min11:3548 min21 Aug
Suva20:11 → 22:4111:410 min11:4148 min21 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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