Ruling · Rāma Navamī · 1910

Sunday 17 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 102 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 Sunday 17 April

Taken. The only midday Navamī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Monday 18 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 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 09:57 on Sun 17 Apr to 10:12 on Mon 18 Apr.

    1910-04-17T01:56:38Z → 1910-04-18T02:12:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 17th, 11:54–12:42 on the 18th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.

    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 6121 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 1910: Sunday 17 April.

    confidence: determinate

Say it like this

In Baoding, Rāma Navamī 1910 falls on Sunday 17 April. Navamī runs from 09:57 on Sun 17 Apr to 10:12 on Mon 18 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1910/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 17 Apr
compat-drikpanchangComparison profileSun 17 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles17:57 → 18:1211:2948 min11:290 min17 Apr
Chicago19:57 → 20:1211:2748 min11:260 min17 Apr
Jersey City20:57 → 21:1211:3248 min11:320 min17 Apr
Port of Spain21:57 → 22:1211:4248 min11:420 min17 Apr
London01:57 → 02:1211:3748 min11:370 min17 Apr
Durban03:57 → 04:1211:3148 min11:310 min17 Apr
Dubai05:38 → 05:5311:3648 min11:350 min17 Apr
Delhi07:27 → 07:4211:5748 min11:570 min17 Apr
Kolkata07:27 → 07:4211:1248 min11:120 min17 Apr
Singapore08:57 → 09:1211:4048 min11:400 min17 Apr
Sydney11:57 → 12:1211:3122 min11:3142 min18 Apr
Suva13:52 → 14:0711:370 min11:3748 min18 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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