September 1964 · each Moon as it stands at sunriseŚrāvaṇa Kṛṣṇa to Bhādrapada KṛṣṇaThe month ›

Ruling · 1964 · Baoding

Ananta Caturdaśī

Sunday 20 September1964 · Baoding, Hebei, China

Determinatemargin 205 min

In Baoding, under the Rashtriya Panchang method. Clear of every threshold by 205 minutes.

Decide it forBaodingDelhiKolkataSingaporeSydneyJersey City38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings उदय

One ghaṭī is 24 minutes

The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Sunday 20 September

Taken. The only morning Caturdaśī reaches.

06:04 sunrisethree muhūrtas on 08:31
05:4006:0406:2806:5207:1607:4008:0408:2808:52

147 of 147 minutes covered

Morning of Monday 21 September

Caturdaśī is absent from the first three muhūrtas after sunrise. Not taken.

06:05 sunrisethree muhūrtas on 08:31
05:4106:0506:2906:5307:1707:4108:0508:2908:53

0 of 146 minutes covered

Caturdaśī presentThe first three muhūrtas after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Caturdaśī runs from 02:38 on Sun 20 Sep to 02:22 on Mon 21 Sep.

    1964-09-19T18:38:30Z → 1964-09-20T18:22:11Z
  2. Step 2, Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:04–08:31 on the 20th, 06:05–08:31 on the 21st.

    udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 147 of 147 minutes on the 20th and 0 of 146 on the 21st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
  4. Step 4, Tie-break

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

    priority: unstated → only-day · margin 12320 s
  5. Step 5, Ruling

    Ananta Caturdaśī, Baoding, 1964: Sunday 20 September.

    confidence: determinate

Say it like this

In Baoding, Ananta Caturdaśī 1964 falls on Sunday 20 September. Caturdaśī runs from 02:38 on Sun 20 Sep to 02:22 on Mon 21 Sep and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/baoding/festivals/1964/ananta-chaturdashipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 20 Sep
compat-drikpanchangComparison profileSun 20 Sep
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/ananta-chaturdashi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Caturdaśī
Kāla
The first three muhūrtas after sunrise
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal). Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.

The same rule, elsewhere

twelve places, west to east · local clocks

PlaceCaturdaśīSunrise 19thCoveredSunrise 20thCoveredRuled
Los Angeles11:38 → 11:2206:390 min06:40146 min20 Sep
Chicago13:38 → 13:2206:350 min06:36147 min20 Sep
Jersey City14:38 → 14:2206:410 min06:42147 min20 Sep
Port of Spain14:38 → 14:2205:560 min05:56146 min20 Sep
London19:38 → 19:2206:420 min06:44148 min20 Sep
Durban20:38 → 20:2205:500 min05:48144 min20 Sep
Dubai22:38 → 22:2206:060 min06:07146 min20 Sep
Delhi00:08 → 23:5206:080 min06:09146 min20 Sep
Kolkata00:08 → 23:5205:240 min05:25146 min20 Sep
Singapore02:08 → 01:5206:250 min06:25145 min20 Sep
Sydney04:38 → 04:2205:500 min05:48144 min20 Sep
Suva06:38 → 06:2205:590 min05:58104 min20 Sep
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ananta-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s