Ruling · Rāma Navamī (Rāma Jayantī) · 1964

Monday 20 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 589 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 19 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

Midday of Monday 20 April

Taken. The only midday Navamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 23:29 on Sun 19 Apr to 22:31 on Mon 20 Apr.

    1964-04-19T15:29:06Z → 1964-04-20T14:30:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 19th, 11:53–12:41 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 35365 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 1964: Monday 20 April.

    confidence: determinate

Say it like this

In Baoding, Rāma Navamī 1964 falls on Monday 20 April. Navamī runs from 23:29 on Sun 19 Apr to 22:31 on Mon 20 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 20 Apr
compat-drikpanchangComparison profileMon 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles07:29 → 06:3111:2848 min11:280 min19 Apr
Chicago09:29 → 08:3111:2648 min11:260 min19 Apr
Jersey City10:29 → 09:3111:3248 min11:310 min19 Apr
Port of Spain11:29 → 10:3111:4148 min11:410 min19 Apr
London16:29 → 15:3112:360 min12:3648 min20 Apr
Durban17:29 → 16:3111:310 min11:3148 min20 Apr
Dubai19:29 → 18:3111:540 min11:5448 min20 Apr
Delhi20:59 → 20:0111:560 min11:5648 min20 Apr
Kolkata20:59 → 20:0111:120 min11:1248 min20 Apr
Singapore22:59 → 22:0112:100 min12:1048 min20 Apr
Sydney01:29 → 00:3111:300 min11:3048 min20 Apr
Suva03:29 → 02:3111:410 min11:4148 min20 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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