Ruling · Nāga Pañcamī · 1966

Saturday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 388 minutes.

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 Saturday 20 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

Midday of Sunday 21 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

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 05:29 on Sat 20 Aug to 02:50 on Sun 21 Aug.

    1966-08-19T21:28:55Z → 1966-08-20T18:49:46Z

  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 48 of 48 minutes on the 20th and 0 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 23305 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1966: Saturday 20 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1966 falls on Saturday 20 August. Pañcamī runs from 05:29 on Sat 20 Aug to 02:50 on Sun 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1966/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 20 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 20 Aug
compat-drikpanchangComparison profileSat 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles14:29 → 11:5012:320 min12:320 min20 Aug
Chicago16:29 → 13:5012:300 min12:3048 min20 Aug
Jersey City17:29 → 14:5012:360 min12:3548 min20 Aug
Port of Spain17:29 → 14:5011:460 min11:4548 min20 Aug
London22:29 → 19:5012:400 min12:3948 min20 Aug
Durban23:29 → 20:5011:360 min11:3648 min20 Aug
Dubai01:29 → 22:5011:580 min11:5848 min20 Aug
Delhi02:59 → 00:2012:010 min12:0048 min20 Aug
Kolkata02:59 → 00:2011:160 min11:1648 min20 Aug
Singapore04:59 → 02:2012:140 min12:1448 min20 Aug
Sydney07:29 → 04:5011:350 min11:3548 min20 Aug
Suva09:29 → 06:5011:460 min11:4648 min20 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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