Ruling · Rāma Navamī (Rāma Jayantī) · 2057

Friday 13 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 521 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 Friday 13 April

Taken. The only midday Navamī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Saturday 14 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 01:55 on Fri 13 Apr to 03:14 on Sat 14 Apr.

    2057-04-12T17:54:54Z → 2057-04-13T19:13:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 13th, 11:55–12:43 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 48 of 48 minutes on the 13th and 0 of 48 on the 14th.

    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 31261 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 2057: Friday 13 April.

    confidence: determinate

Say it like this

In Baoding, Rāma Navamī 2057 falls on Friday 13 April. Navamī runs from 01:55 on Fri 13 Apr to 03:14 on Sat 14 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2057/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 13 Apr
compat-drikpanchangComparison profileFri 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles10:55 → 12:1412:3048 min12:300 min12 Apr
Chicago12:55 → 14:1412:2821 min12:2748 min13 Apr
Jersey City13:55 → 15:1412:330 min12:3348 min13 Apr
Port of Spain13:55 → 15:1411:430 min11:4348 min13 Apr
London18:55 → 20:1412:380 min12:3848 min13 Apr
Durban19:55 → 21:1411:320 min11:3248 min13 Apr
Dubai21:55 → 23:1411:560 min11:5548 min13 Apr
Delhi23:25 → 00:4411:580 min11:5848 min13 Apr
Kolkata23:25 → 00:4411:140 min11:1348 min13 Apr
Singapore01:55 → 03:1412:410 min12:4148 min13 Apr
Sydney03:55 → 05:1411:320 min11:3248 min13 Apr
Suva05:55 → 07:1411:430 min11:4348 min13 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

About Ahargaṇa