Ruling · Rāma Navamī · 1923

Tuesday 27 March

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 2 min 35 s away. 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 Monday 26 March

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
Navamī begins 12:51:11
11:1311:3712:0112:2512:4913:1313:37

0 of 48 minutes covered

Midday of Tuesday 27 March

Taken. The only midday Navamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Navamī ends 12:36:03
11:1211:3612:0012:2412:4813:1213:36

36 of 48 minutes covered, the first 36

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 12:51 on Mon 26 Mar to 12:36 on Tue 27 Mar.

    1923-03-26T04:51:12Z → 1923-03-27T04:36:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 26th, 12:00–12:48 on the 27th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 36 of 48 on the 27th.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 155 s < 300 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 1923: Tuesday 27 March.

    confidence: boundary (margin)

Say it like this

In Baoding, Rāma Navamī 1923 falls on Tuesday 27 March. Navamī runs from 12:51 on Mon 26 Mar to 12:36 on Tue 27 Mar and covers 36 of 48 minutes of madhyāhna that midday. It is 2 min 35 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1923/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 27 Mar
compat-drikpanchangComparison profileTue 27 Mar
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles20:51 → 20:3611:3548 min11:350 min26 Mar
Chicago22:51 → 22:3611:3348 min11:330 min26 Mar
Jersey City23:51 → 23:3611:3948 min11:380 min26 Mar
Port of Spain00:51 → 00:3611:4848 min11:480 min26 Mar
London04:51 → 04:3611:4348 min11:430 min26 Mar
Durban06:51 → 06:3611:3848 min11:370 min26 Mar
Dubai08:51 → 08:3612:0148 min12:010 min26 Mar
Delhi10:21 → 10:0612:0348 min12:030 min26 Mar
Kolkata10:21 → 10:0611:1948 min11:190 min26 Mar
Singapore11:51 → 11:3611:4744 min11:460 min26 Mar
Sydney14:51 → 14:3611:370 min11:3748 min27 Mar
Suva16:51 → 16:3611:480 min11:4848 min27 Mar
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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