Ruling · Rāma Navamī · 1943

Wednesday 14 April

Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

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 Tuesday 13 April

Qualifies with 22 of 48 minutes. Not taken.

madhyāhna begins 12:55  13:43 madhyāhna ends
Navamī begins 13:21:24
12:0712:3112:5513:1913:4314:0714:31

22 of 48 minutes covered, the last 22

Midday of Wednesday 14 April

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 12:55  13:43 madhyāhna ends
12:0712:3112:5513:1913:4314:0714:31

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 13:21 on Tue 13 Apr to 15:53 on Wed 14 Apr.

    1943-04-13T04:21:25Z → 1943-04-14T06:53:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:55–13:43 on the 13th, 12:55–13:43 on the 14th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 22 of 48 minutes on the 13th and 48 of 48 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1313 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 1943: Wednesday 14 April.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Rāma Navamī 1943 falls on Wednesday 14 April. Navamī runs from 13:21 on Tue 13 Apr to 15:53 on Wed 14 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 22 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/1943/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 14 Apr
compat-drikpanchangComparison profileWed 14 Apr
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/rama-navami · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles21:21 → 23:5312:3048 min12:300 min13 Apr
Chicago23:21 → 01:5312:2848 min12:270 min13 Apr
Jersey City00:21 → 02:5312:3348 min12:330 min13 Apr
Port of Spain01:21 → 03:5312:4348 min12:430 min13 Apr
London06:21 → 08:5313:3848 min13:380 min13 Apr
Durban06:21 → 08:5311:3248 min11:320 min13 Apr
Dubai08:21 → 10:5311:5648 min11:550 min13 Apr
Delhi10:51 → 13:2312:5848 min12:5825 min13 Apr
Kolkata10:51 → 13:2312:1448 min12:1348 min13 Apr
Singapore13:21 → 15:5313:4148 min13:4148 min13 Apr
Sydney14:21 → 16:5311:320 min11:3248 min14 Apr
Suva16:21 → 18:5311:430 min11:4348 min14 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rama-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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