Ruling · Nāga Pañcamī · 1921

Monday 8 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 22 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 Sunday 7 August

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Monday 8 August

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
Pañcamī ends 12:21:00
11:1111:3511:5912:2312:4713:1113:35

22 of 48 minutes covered, the first 22

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 14:31 on Sun 7 Aug to 12:21 on Mon 8 Aug.

    1921-08-07T06:30:42Z → 1921-08-08T04:21:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 7th, 11:59–12:47 on the 8th.

    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 7th and 22 of 48 on the 8th.

    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 1295 s

  5. 05

    Ruling

    Nāga Pañcamī, Baoding, 1921: Monday 8 August.

    confidence: determinate

Say it like this

In Baoding, Nāga Pañcamī 1921 falls on Monday 8 August. Pañcamī runs from 14:31 on Sun 7 Aug to 12:21 on Mon 8 Aug and covers 22 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1921/naga-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 8 Aug
compat-drikpanchangComparison profileMon 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles22:31 → 20:2111:3448 min11:340 min7 Aug
Chicago01:31 → 23:2112:3248 min12:320 min7 Aug
Jersey City02:31 → 00:2112:3848 min12:370 min7 Aug
Port of Spain02:31 → 00:2111:4848 min11:480 min7 Aug
London07:31 → 05:2112:4248 min12:420 min7 Aug
Durban08:31 → 06:2111:3848 min11:380 min7 Aug
Dubai10:31 → 08:2112:0048 min12:000 min7 Aug
Delhi12:01 → 09:5112:0348 min12:020 min7 Aug
Kolkata12:01 → 09:5111:185 min11:180 min7 Aug
Singapore13:31 → 11:2111:460 min11:460 min8 Aug
Sydney16:31 → 14:2111:370 min11:3748 min8 Aug
Suva18:31 → 16:2111:480 min11:4848 min8 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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