Ruling · Mitra Saptamī · 2078

Sunday 11 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 433 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 11 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

Midday of Monday 12 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 04:34 on Sun 11 Dec to 04:16 on Mon 12 Dec.

    2078-12-10T20:34:28Z → 2078-12-11T20:16:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 11th, 11:48–12:36 on the 12th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 25979 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2078: Sunday 11 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2078 falls on Sunday 11 December. Saptamī runs from 04:34 on Sun 11 Dec to 04:16 on Mon 12 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2078/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 11 Dec
compat-drikpanchangComparison profileSun 11 Dec
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/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles12:34 → 12:1611:220 min11:2348 min11 Dec
Chicago14:34 → 14:1611:200 min11:2048 min11 Dec
Jersey City15:34 → 15:1611:250 min11:2648 min11 Dec
Port of Spain16:34 → 16:1611:350 min11:3648 min11 Dec
London20:34 → 20:1611:290 min11:3048 min11 Dec
Durban22:34 → 22:1611:250 min11:2548 min11 Dec
Dubai00:34 → 00:1611:480 min11:4848 min11 Dec
Delhi02:04 → 01:4611:500 min11:5048 min11 Dec
Kolkata02:04 → 01:4611:050 min11:0648 min11 Dec
Singapore04:34 → 04:1612:340 min12:3448 min11 Dec
Sydney07:34 → 07:1612:240 min12:2548 min11 Dec
Suva08:34 → 08:1611:350 min11:3648 min11 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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