Ruling · Rāma Navamī (Rāma Jayantī) · 2018

Sunday 25 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 88 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 25 March

Taken. The only midday Navamī reaches.

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

48 of 48 minutes covered

Midday of Monday 26 March

Navamī is absent from madhyāhna. Not taken.

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

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 10:33 on Sun 25 Mar to 08:24 on Mon 26 Mar.

    2018-03-25T02:32:42Z → 2018-03-26T00:24:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 25th, 12:00–12:48 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 5271 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 2018: Sunday 25 March.

    confidence: determinate

Say it like this

In Baoding, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 10:33 on Sun 25 Mar to 08:24 on Mon 26 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 25 Mar
compat-drikpanchangComparison profileSun 25 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles19:33 → 17:2412:3548 min12:350 min25 Mar
Chicago21:33 → 19:2412:3348 min12:330 min25 Mar
Jersey City22:33 → 20:2412:3948 min12:380 min25 Mar
Port of Spain22:33 → 20:2411:4848 min11:480 min25 Mar
London03:33 → 01:2412:4348 min12:430 min25 Mar
Durban04:33 → 02:2411:3848 min11:370 min25 Mar
Dubai06:33 → 04:2412:0148 min12:010 min25 Mar
Delhi08:03 → 05:5412:0348 min12:030 min25 Mar
Kolkata08:03 → 05:5411:1948 min11:180 min25 Mar
Singapore10:33 → 08:2412:4748 min12:460 min25 Mar
Sydney13:33 → 11:2412:370 min12:370 min26 Mar
Suva14:33 → 12:2411:480 min11:4836 min26 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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