{"id":"vidhyamitra:city-day:rishikesh:1933-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1933-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1933-05-31","date_display":"May 31, 1933 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1933,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2427223.770833,"kali_year":5035,"ahargana":1838758.2708,"sun":{"sidereal_longitude":46.2448,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":123.2773,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.0325,"elapsed_within_tithi_degrees":5.0325},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":123.2773,"elapsed_within_degrees":3.2773},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.5221},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1933,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2427223.770833,"ahargana":1838758.2708,"kali_year":5035,"ayanamsa_lahiri":22.9228,"grahas":{"sun":{"sidereal_longitude":46.21096,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":119.33335999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":0.8162},"mars":{"sidereal_longitude":140.35086,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":49.87585999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":141.49246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":57.59595999999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":293.91346,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":313.7381,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":133.7381,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1933,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2427223.770833,"kali_year":5035,"ahargana":1838758.2708,"sun":{"sidereal_longitude":46.2448,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":123.2773,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.0325,"elapsed_within_tithi_degrees":5.0325},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":123.2773,"elapsed_within_degrees":3.2773},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.5221},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.816,"elongation":77.032},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.816,"opposition_distance":102.968}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:17","sunsetLocal":"19:12","solarNoonLocal":"12:14","dayLengthHours":13.9305987548315,"dayLengthDisplay":"13 Hours 55 Mins 50 Secs","nightLengthDisplay":"10 Hours 04 Mins 10 Secs","moonriseLocal":"10:31","moonsetLocal":"23:43","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:59","startHours":12.240500554031005,"endHours":13.981825398384942,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:45","startHours":7.0165260209691915,"endHours":8.757850865323128,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:30","end":"12:14","startHours":10.499175709677067,"endHours":12.240500554031005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"08:59","startHours":8.525674219409272,"endHours":8.990027511236988,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:14","startHours":5.8556427913999,"endHours":6.2271254248620735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:42","startHours":11.776147262203288,"endHours":12.704853845858722,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:21","startHours":3.4177880093043873,"endHours":4.346494592959821,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:17","startHours":4.114317947045962,"endHours":5.275201176615254,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:29","startHours":14.562267013169588,"endHours":15.490973596825022,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":19.005799931446756,"endHours":19.405799931446754,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:47","startHours":19.205799931446755,"endHours":19.786241546231402,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.955799931446755,"endHours":20.705799931446755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:42","startHours":23.77614726220329,"endHours":24.70485384585872,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:17","end":"07:01","startHours":5.275201176615254,"endHours":7.0165260209691915,"quality":"auspicious"},{"name":"Amṛta","start":"07:01","end":"08:45","startHours":7.0165260209691915,"endHours":8.757850865323128,"quality":"auspicious"},{"name":"Kāla","start":"08:45","end":"10:30","startHours":8.757850865323128,"endHours":10.499175709677067,"quality":"inauspicious"},{"name":"Śubha","start":"10:30","end":"12:14","startHours":10.499175709677067,"endHours":12.240500554031005,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:59","startHours":12.240500554031005,"endHours":13.981825398384942,"quality":"inauspicious"},{"name":"Udveg","start":"13:59","end":"15:43","startHours":13.981825398384942,"endHours":15.723150242738878,"quality":"inauspicious"},{"name":"Chala","start":"15:43","end":"17:28","startHours":15.723150242738878,"endHours":17.46447508709282,"quality":"neutral"},{"name":"Labha","start":"17:28","end":"19:12","startHours":17.46447508709282,"endHours":19.205799931446755,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:12","end":"20:28","startHours":19.205799931446755,"endHours":20.46447508709282,"quality":"inauspicious"},{"name":"Chala","start":"20:28","end":"21:43","startHours":20.46447508709282,"endHours":21.723150242738882,"quality":"neutral"},{"name":"Labha","start":"21:43","end":"22:59","startHours":21.723150242738882,"endHours":22.98182539838494,"quality":"auspicious"},{"name":"Amṛta","start":"22:59","end":"00:14","startHours":22.98182539838494,"endHours":24.240500554031005,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:30","startHours":24.240500554031005,"endHours":25.49917570967707,"quality":"inauspicious"},{"name":"Śubha","start":"01:30","end":"02:45","startHours":25.49917570967707,"endHours":26.757850865323128,"quality":"auspicious"},{"name":"Roga","start":"02:45","end":"04:01","startHours":26.757850865323128,"endHours":28.01652602096919,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:17","startHours":28.01652602096919,"endHours":29.275201176615255,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.275201176615254,"endHours":6.275201176615254,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.275201176615254,"endHours":7.275201176615254,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.275201176615254,"endHours":8.275201176615255,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.275201176615255,"endHours":9.275201176615255,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.275201176615255,"endHours":10.275201176615255,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.275201176615255,"endHours":11.275201176615255,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.275201176615255,"endHours":12.275201176615255,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.275201176615255,"endHours":13.275201176615255,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.275201176615255,"endHours":14.275201176615255,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.275201176615255,"endHours":15.275201176615255,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.275201176615255,"endHours":16.275201176615255,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.275201176615255,"endHours":17.275201176615255,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.275201176615255,"endHours":18.275201176615255,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.275201176615255,"endHours":19.275201176615255,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.275201176615255,"endHours":20.275201176615255,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.275201176615255,"endHours":21.275201176615255,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.275201176615255,"endHours":22.275201176615255,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.275201176615255,"endHours":23.275201176615255,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.275201176615255,"endHours":24.275201176615255,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.275201176615255,"endHours":25.275201176615255,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.275201176615255,"endHours":26.275201176615255,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.275201176615255,"endHours":27.275201176615255,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.275201176615255,"endHours":28.275201176615255,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.275201176615255,"endHours":29.275201176615255,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.817226899171406,"eotMinutes":2.4995667581397525,"ayanamsa":22.9228}},"calendars":{"vikram_samvat":1990,"vikram_samvatsara":"Vyaya","saka_samvat":1855,"saka_samvatsara":"Śrīmukha","bengali_samvat":1340,"malayalam_era":1109,"nanakshahi_year":464,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Saptamī · Vikram 1990 Vyaya · Śaka 1855 Śrīmukha"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 31, 1933 CE · Ṛṣikeśa · Vidhyamitra","description":"May 31, 1933 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:17, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1933-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1933-05-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/1933-05-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/1933-05-31","x-default":"https://vidhyamitra.com/city/rishikesh/1933-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T14:39:27.002Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-22T14:39:27.002Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T14:39:27.002Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}