{"id":"vidhyamitra:city-day:rishikesh:1964-05-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1964-05-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-05-24","date_display":"May 24, 1964 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":1964,"month":5,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438539.770833,"kali_year":5066,"ahargana":1850074.2708,"sun":{"sidereal_longitude":39.5535,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":193.0305,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.477,"elapsed_within_tithi_degrees":9.477},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.0305,"elapsed_within_degrees":6.3639},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.5841},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1964,"month":5,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438539.770833,"ahargana":1850074.2708,"kali_year":5066,"ayanamsa_lahiri":23.3556,"grahas":{"sun":{"sidereal_longitude":39.54670599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":193.80420600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":3.9398},"mars":{"sidereal_longitude":19.386206000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":14.935506000000032,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":17.30640599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":73.526206,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":311.97340600000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":74.162,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":254.162,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1964,"month":5,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438539.770833,"kali_year":5066,"ahargana":1850074.2708,"sun":{"sidereal_longitude":39.5535,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":193.0305,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":153.477,"elapsed_within_tithi_degrees":9.477},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":193.0305,"elapsed_within_degrees":6.3639},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.5841},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.94,"elongation":153.477},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.94,"opposition_distance":26.523}},"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":"05:19","sunsetLocal":"19:09","solarNoonLocal":"12:14","dayLengthHours":13.830433264754024,"dayLengthDisplay":"13 Hours 49 Mins 50 Secs","nightLengthDisplay":"10 Hours 10 Mins 10 Secs","moonriseLocal":"17:01","moonsetLocal":"04:00","rahuKala":{"name":"Rāhu Kāla","start":"17:25","end":"19:09","startHours":17.41339247809459,"endHours":19.142196636188842,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:57","startHours":12.22698000381183,"endHours":13.955784161906083,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:41","end":"17:25","startHours":15.684588320000337,"endHours":17.41339247809459,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.53886446654409,"endHours":8.999878908702557,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:15","startHours":5.888031424132903,"endHours":6.256842977859677,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.765965561653363,"endHours":12.687994445970297,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:23","startHours":3.4677056028009483,"endHours":4.389734487117883,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:10","end":"05:19","startHours":4.159227266038649,"endHours":5.311763371434818,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:27","startHours":14.532052214604168,"endHours":15.454081098921103,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.942196636188843,"endHours":19.34219663618884,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:43","startHours":19.142196636188842,"endHours":19.718464688886925,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.892196636188842,"endHours":20.642196636188842,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.765965561653363,"endHours":24.6879944459703,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:19","end":"07:02","startHours":5.311763371434818,"endHours":7.040567529529071,"quality":"inauspicious"},{"name":"Chala","start":"07:02","end":"08:46","startHours":7.040567529529071,"endHours":8.769371687623323,"quality":"neutral"},{"name":"Labha","start":"08:46","end":"10:30","startHours":8.769371687623323,"endHours":10.498175845717578,"quality":"auspicious"},{"name":"Amṛta","start":"10:30","end":"12:14","startHours":10.498175845717578,"endHours":12.22698000381183,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:57","startHours":12.22698000381183,"endHours":13.955784161906083,"quality":"inauspicious"},{"name":"Śubha","start":"13:57","end":"15:41","startHours":13.955784161906083,"endHours":15.684588320000337,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:25","startHours":15.684588320000337,"endHours":17.41339247809459,"quality":"inauspicious"},{"name":"Udveg","start":"17:25","end":"19:09","startHours":17.41339247809459,"endHours":19.142196636188842,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:09","end":"20:25","startHours":19.142196636188842,"endHours":20.41339247809459,"quality":"auspicious"},{"name":"Roga","start":"20:25","end":"21:41","startHours":20.41339247809459,"endHours":21.684588320000337,"quality":"inauspicious"},{"name":"Udveg","start":"21:41","end":"22:57","startHours":21.684588320000337,"endHours":22.955784161906085,"quality":"inauspicious"},{"name":"Chala","start":"22:57","end":"00:14","startHours":22.955784161906085,"endHours":24.226980003811832,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:30","startHours":24.226980003811832,"endHours":25.498175845717576,"quality":"auspicious"},{"name":"Amṛta","start":"01:30","end":"02:46","startHours":25.498175845717576,"endHours":26.769371687623323,"quality":"auspicious"},{"name":"Kāla","start":"02:46","end":"04:02","startHours":26.769371687623323,"endHours":28.04056752952907,"quality":"inauspicious"},{"name":"Śubha","start":"04:02","end":"05:19","startHours":28.04056752952907,"endHours":29.311763371434818,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.311763371434818,"endHours":6.311763371434818,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.311763371434818,"endHours":7.311763371434818,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.311763371434818,"endHours":8.311763371434818,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.311763371434818,"endHours":9.311763371434818,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.311763371434818,"endHours":10.311763371434818,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.311763371434818,"endHours":11.311763371434818,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.311763371434818,"endHours":12.311763371434818,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.311763371434818,"endHours":13.311763371434818,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.311763371434818,"endHours":14.311763371434818,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.311763371434818,"endHours":15.311763371434818,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.311763371434818,"endHours":16.311763371434818,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.311763371434818,"endHours":17.311763371434818,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.311763371434818,"endHours":18.311763371434818,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.311763371434818,"endHours":19.311763371434818,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.311763371434818,"endHours":20.311763371434818,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.311763371434818,"endHours":21.311763371434818,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.311763371434818,"endHours":22.311763371434818,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.311763371434818,"endHours":23.311763371434818,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.311763371434818,"endHours":24.311763371434818,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.311763371434818,"endHours":25.311763371434818,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.311763371434818,"endHours":26.311763371434818,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.311763371434818,"endHours":27.311763371434818,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.311763371434818,"endHours":28.311763371434818,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.311763371434818,"endHours":29.311763371434818,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"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":20.736691729860077,"eotMinutes":3.3107997712901853,"ayanamsa":23.3556}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Trayodaśī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 24, 1964 CE · Ṛṣikeśa · Vidhyamitra","description":"May 24, 1964 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:19, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1964-05-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1964-05-24","sa":"https://sa.vidhyamitra.com/city/rishikesh/1964-05-24","hi":"https://hi.vidhyamitra.com/city/rishikesh/1964-05-24","x-default":"https://vidhyamitra.com/city/rishikesh/1964-05-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:36:08.470Z","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":"2026-05-20T19:36:08.470Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:36:08.470Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}