Ruling · Rambhā Tṛtīyā · 2018

Saturday 16 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 273 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 15 June

Tṛtīyā 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

Midday of Saturday 16 June

Taken. The only midday Tṛtīyā reaches.

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

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 20:40 on Fri 15 Jun to 17:16 on Sat 16 Jun.

    2018-06-15T12:39:44Z → 2018-06-16T09:16:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 15th, 11:55–12:43 on the 16th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.

    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: purvaviddha → only-day · margin 16394 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2018: Saturday 16 June.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2018 falls on Saturday 16 June. Tṛtīyā runs from 20:40 on Fri 15 Jun to 17:16 on Sat 16 Jun and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Jun
Ahargaṇa, classicalDisc centre, no refractionSat 16 Jun
compat-drikpanchangComparison profileSat 16 Jun
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/rambha-tritiya · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 3 Rambha trtiya (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles05:40 → 02:1612:3048 min12:300 min15 Jun
Chicago07:40 → 04:1612:2748 min12:270 min15 Jun
Jersey City08:40 → 05:1612:3348 min12:330 min15 Jun
Port of Spain08:40 → 05:1611:4348 min11:430 min15 Jun
London13:40 → 10:1612:370 min12:370 min16 Jun
Durban14:40 → 11:1611:320 min11:330 min16 Jun
Dubai16:40 → 13:1611:550 min11:5548 min16 Jun
Delhi18:10 → 14:4611:580 min11:5848 min16 Jun
Kolkata18:10 → 14:4611:130 min11:1348 min16 Jun
Singapore20:40 → 17:1612:410 min12:4148 min16 Jun
Sydney22:40 → 19:1611:320 min11:3248 min16 Jun
Suva00:40 → 21:1611:430 min11:4348 min16 Jun
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rambha-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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