Ruling · Mitra Saptamī · 2058

Saturday 21 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 262 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 Saturday 21 December

Taken. The only midday Saptamī reaches.

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

48 of 48 minutes covered

Midday of Sunday 22 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 07:31 on Sat 21 Dec to 05:22 on Sun 22 Dec.

    2058-12-20T23:30:34Z → 2058-12-21T21:22:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 15697 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2058: Saturday 21 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2058 falls on Saturday 21 December. Saptamī runs from 07:31 on Sat 21 Dec to 05:22 on Sun 22 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2058/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 21 Dec
compat-drikpanchangComparison profileSat 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles15:31 → 13:2211:270 min11:2748 min21 Dec
Chicago17:31 → 15:2211:240 min11:2548 min21 Dec
Jersey City18:31 → 16:2211:300 min11:3148 min21 Dec
Port of Spain19:31 → 17:2211:400 min11:4048 min21 Dec
London23:31 → 21:2211:340 min11:3548 min21 Dec
Durban01:31 → 23:2211:300 min11:3048 min21 Dec
Dubai03:31 → 01:2211:520 min11:5348 min21 Dec
Delhi05:01 → 02:5211:550 min11:5548 min21 Dec
Kolkata05:01 → 02:5211:100 min11:1148 min21 Dec
Singapore07:31 → 05:2212:380 min12:3948 min21 Dec
Sydney10:31 → 08:2212:290 min12:2948 min21 Dec
Suva11:31 → 09:2211:400 min11:4048 min21 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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