Ruling · Mitra Saptamī · 2018

Friday 14 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 303 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 Friday 14 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Saturday 15 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 04:19 on Fri 14 Dec to 06:46 on Sat 15 Dec.

    2018-12-13T20:19:09Z → 2018-12-14T22:46:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 18172 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2018: Friday 14 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 04:19 on Fri 14 Dec to 06:46 on Sat 15 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 14 Dec
compat-drikpanchangComparison profileFri 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles12:19 → 14:4611:230 min11:2448 min14 Dec
Chicago14:19 → 16:4611:210 min11:2148 min14 Dec
Jersey City15:19 → 17:4611:270 min11:2748 min14 Dec
Port of Spain16:19 → 18:4611:360 min11:3748 min14 Dec
London20:19 → 22:4611:310 min11:3148 min14 Dec
Durban22:19 → 00:4611:260 min11:2748 min14 Dec
Dubai00:19 → 02:4611:490 min11:4948 min14 Dec
Delhi01:49 → 04:1611:510 min11:5248 min14 Dec
Kolkata01:49 → 04:1611:070 min11:0748 min14 Dec
Singapore04:19 → 06:4612:350 min12:3548 min14 Dec
Sydney07:19 → 09:4612:250 min12:2648 min14 Dec
Suva09:19 → 11:4612:360 min12:3748 min14 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

About Ahargaṇa