Ruling · Nāga Pañcamī · 2090

Monday 31 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 295 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 30 July

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

0 of 48 minutes covered

Midday of Monday 31 July

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 20:30 on Sun 30 Jul to 17:43 on Mon 31 Jul.

    2090-07-30T12:30:27Z → 2090-07-31T09:43:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 30th, 12:01–12:49 on the 31st.

    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 30th and 48 of 48 on the 31st.

    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 17687 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 2090: Monday 31 July.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 2090 falls on Monday 31 July. Pañcamī runs from 20:30 on Sun 30 Jul to 17:43 on Mon 31 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2090/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 31 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 31 Jul
compat-drikpanchangComparison profileMon 31 Jul
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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles05:30 → 02:4312:3648 min12:360 min30 Jul
Chicago07:30 → 04:4312:3348 min12:330 min30 Jul
Jersey City08:30 → 05:4312:3948 min12:390 min30 Jul
Port of Spain08:30 → 05:4311:4948 min11:490 min30 Jul
London13:30 → 10:4312:430 min12:430 min30 Jul
Durban14:30 → 11:4311:390 min11:395 min31 Jul
Dubai16:30 → 13:4312:020 min12:0148 min31 Jul
Delhi18:00 → 15:1312:040 min12:0448 min31 Jul
Kolkata18:00 → 15:1311:190 min11:1948 min31 Jul
Singapore20:30 → 17:4312:470 min12:4748 min31 Jul
Sydney22:30 → 19:4311:380 min11:3848 min31 Jul
Suva00:30 → 21:4311:490 min11:4948 min31 Jul
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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