Ruling · Mitra Saptamī · 2080

Wednesday 18 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 333 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 Wednesday 18 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Thursday 19 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 03:48 on Wed 18 Dec to 06:19 on Thu 19 Dec.

    2080-12-17T19:47:54Z → 2080-12-18T22:18:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:52–12:40 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 19976 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2080: Wednesday 18 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2080 falls on Wednesday 18 December. Saptamī runs from 03:48 on Wed 18 Dec to 06:19 on Thu 19 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2080/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 18 Dec
compat-drikpanchangComparison profileWed 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles11:48 → 14:1911:2626 min11:2648 min17 Dec
Chicago13:48 → 16:1911:230 min11:2448 min18 Dec
Jersey City14:48 → 17:1911:290 min11:3048 min18 Dec
Port of Spain15:48 → 18:1911:390 min11:3948 min18 Dec
London19:48 → 22:1911:330 min11:3448 min18 Dec
Durban21:48 → 00:1911:280 min11:2948 min18 Dec
Dubai23:48 → 02:1911:510 min11:5248 min18 Dec
Delhi01:18 → 03:4911:540 min11:5448 min18 Dec
Kolkata01:18 → 03:4911:090 min11:1048 min18 Dec
Singapore03:48 → 06:1912:370 min12:3848 min18 Dec
Sydney06:48 → 09:1912:280 min12:2848 min18 Dec
Suva07:48 → 10:1911:390 min11:3948 min18 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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