Ruling · Nāga Pañcamī · 2042

Thursday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 13 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 Wednesday 20 August

Qualifies with 48 of 48 minutes. Not taken.

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

48 of 48 minutes covered

Midday of Thursday 21 August

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

madhyāhna begins 11:57  12:45 madhyāhna ends
Pañcamī ends 12:10:26
11:0911:3311:5712:2112:4513:0913:33

13 of 48 minutes covered, the first 13

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 09:33 on Wed 20 Aug to 12:10 on Thu 21 Aug.

    2042-08-20T01:32:54Z → 2042-08-21T04:10:26Z

  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 13 of 48 on the 21st.

    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 801 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 2042: Thursday 21 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 2042 falls on Thursday 21 August. Pañcamī runs from 09:33 on Wed 20 Aug to 12:10 on Thu 21 Aug and covers 13 of 48 minutes 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/2042/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 21 Aug
compat-drikpanchangComparison profileThu 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 Angeles18:33 → 21:1012:3248 min12:320 min20 Aug
Chicago20:33 → 23:1012:3048 min12:290 min20 Aug
Jersey City21:33 → 00:1012:3548 min12:350 min20 Aug
Port of Spain21:33 → 00:1011:4548 min11:450 min20 Aug
London02:33 → 05:1012:3948 min12:390 min20 Aug
Durban03:33 → 06:1011:3648 min11:350 min20 Aug
Dubai05:33 → 08:1011:5848 min11:580 min20 Aug
Delhi07:03 → 09:4012:0048 min12:000 min20 Aug
Kolkata07:03 → 09:4011:1648 min11:160 min20 Aug
Singapore09:33 → 12:1012:4448 min12:440 min20 Aug
Sydney11:33 → 14:1011:3548 min11:3548 min21 Aug
Suva13:33 → 16:1011:460 min11:4648 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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