Ruling · Ratha Saptamī · 1994

Friday 18 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 175 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Thursday 17 February

Saptamī is absent from aruṇodaya. Not taken.

05:22 aruṇodaya beginssunrise 07:08
04:5805:2205:4606:1006:3406:5807:22

0 of 106 minutes covered

Dawn of Friday 18 February

Taken. The only dawn Saptamī reaches.

05:21 aruṇodaya beginssunrise 07:07
04:5705:2105:4506:0906:3306:5707:21

105 of 105 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 10:03 on Thu 17 Feb to 12:38 on Fri 18 Feb.

    1994-02-17T02:02:46Z → 1994-02-18T04:37:43Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:22–07:08 on the 17th, 05:21–07:07 on the 18th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 0 of 106 minutes on the 17th and 105 of 105 on the 18th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 10483 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1994: Friday 18 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 1994 falls on Friday 18 February. Saptamī runs from 10:03 on Thu 17 Feb to 12:38 on Fri 18 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1994/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 18 Feb
compat-drikpanchangComparison profileFri 18 Feb
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/ratha-saptami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Aruṇodaya
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha].” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīAruṇodaya 17thCoveredAruṇodaya 18thCoveredRuled
Los Angeles18:03 → 20:3804:52104 min04:510 min17 Feb
Chicago20:03 → 22:3804:57107 min04:560 min17 Feb
Jersey City21:03 → 23:3805:02106 min05:010 min17 Feb
Port of Spain22:03 → 00:3804:4898 min04:480 min17 Feb
London02:03 → 04:3805:20111 min05:190 min17 Feb
Durban04:03 → 06:3804:1187 min04:1188 min18 Feb
Dubai06:03 → 08:3805:1150 min05:10101 min18 Feb
Delhi07:33 → 10:0805:160 min05:16102 min18 Feb
Kolkata07:33 → 10:0804:270 min04:27100 min18 Feb
Singapore10:03 → 12:3805:410 min05:4195 min18 Feb
Sydney13:03 → 15:3805:060 min05:0786 min18 Feb
Suva14:03 → 16:3804:300 min04:3091 min18 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ratha-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa