Ruling · Rāma Navamī (Rāma Jayantī) · 1986

Friday 18 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 244 minutes.

Decide it for

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 18 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 Saturday 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

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 07:11 on Fri 18 Apr to 07:50 on Sat 19 Apr.

    1986-04-17T23:10:44Z → 1986-04-18T23:49:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 18th, 11:54–12:42 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 14637 s

  5. 05

    Ruling

    Rāma Navamī, Baoding, 1986: Friday 18 April.

    confidence: determinate

Say it like this

In Baoding, Rāma Navamī 1986 falls on Friday 18 April. Navamī runs from 07:11 on Fri 18 Apr to 07:50 on Sat 19 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 18 Apr
compat-drikpanchangComparison profileFri 18 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 Angeles15:11 → 15:5011:290 min11:2948 min18 Apr
Chicago17:11 → 17:5011:270 min11:2648 min18 Apr
Jersey City18:11 → 18:5011:320 min11:3248 min18 Apr
Port of Spain19:11 → 19:5011:420 min11:4248 min18 Apr
London00:11 → 00:5012:370 min12:3648 min18 Apr
Durban01:11 → 01:5011:310 min11:3148 min18 Apr
Dubai03:11 → 03:5011:550 min11:5448 min18 Apr
Delhi04:41 → 05:2011:570 min11:5748 min18 Apr
Kolkata04:41 → 05:2011:120 min11:1248 min18 Apr
Singapore07:11 → 07:5012:400 min12:4048 min18 Apr
Sydney09:11 → 09:5011:310 min11:3048 min18 Apr
Suva11:11 → 11:5011:420 min11:4248 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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