Ruling · Rāma Navamī (Rāma Jayantī) · 1985

Sunday 31 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 10 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 30 March

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:21  12:09 madhyāhna ends
Navamī begins 12:19:45
10:3310:5711:2111:4512:0912:3312:57

0 of 48 minutes covered

Midday of Sunday 31 March

Taken. The only midday Navamī reaches.

madhyāhna begins 11:21  12:09 madhyāhna ends
Navamī ends 11:58:41
10:3310:5711:2111:4512:0912:3312:57

38 of 48 minutes covered, the first 38

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 12:20 on Sat 30 Mar to 11:59 on Sun 31 Mar.

    1985-03-30T04:19:45Z → 1985-03-31T03:58:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 30th, 11:21–12:09 on the 31st.

    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 30th and 38 of 48 on the 31st.

    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 604 s

  5. 05

    Ruling

    Rāma Navamī, Daqing, 1985: Sunday 31 March.

    confidence: determinate

Say it like this

In Daqing, Rāma Navamī 1985 falls on Sunday 31 March. Navamī runs from 12:20 on Sat 30 Mar to 11:59 on Sun 31 Mar and covers 38 of 48 minutes of madhyāhna that midday.

ahargana.org/daqing/festivals/1985/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 31 Mar
compat-drikpanchangComparison profileSun 31 Mar
No institution has a recorded ruling for Daqing.

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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles20:20 → 19:5911:3448 min11:330 min30 Mar
Chicago22:20 → 21:5911:3148 min11:310 min30 Mar
Jersey City23:20 → 22:5911:3748 min11:370 min30 Mar
Port of Spain00:20 → 23:5911:4748 min11:460 min30 Mar
London04:20 → 04:5911:4248 min12:410 min30 Mar
Durban06:20 → 05:5911:3648 min11:360 min30 Mar
Dubai08:20 → 07:5912:0048 min11:590 min30 Mar
Delhi09:50 → 09:2912:0248 min12:020 min30 Mar
Kolkata09:50 → 09:2911:1748 min11:170 min30 Mar
Singapore12:20 → 11:5912:4548 min12:450 min30 Mar
Sydney14:20 → 13:5911:360 min11:3548 min31 Mar
Suva16:20 → 15:5911:470 min11:4748 min31 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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