{"id":"vidhyamitra:city-day:rishikesh:1969-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1969-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1969-07-13","date_display":"July 13, 1969 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":1969,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440415.770833,"kali_year":5071,"ahargana":1851950.2708,"sun":{"sidereal_longitude":86.7036,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":69.4602,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.7565,"elapsed_within_tithi_degrees":6.7565},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4602,"elapsed_within_degrees":2.7935},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.1638},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":1969,"month":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440415.770833,"ahargana":1851950.2708,"kali_year":5071,"ayanamsa_lahiri":23.4273,"grahas":{"sun":{"sidereal_longitude":87.04832899999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":70.09382900000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":4.4849},"mars":{"sidereal_longitude":218.87772900000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":76.37402900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":156.85562900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":43.50342899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":14.718728999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":334.7624,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":154.7624,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"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":1969,"month":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440415.770833,"kali_year":5071,"ahargana":1851950.2708,"sun":{"sidereal_longitude":86.7036,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":69.4602,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":342.7565,"elapsed_within_tithi_degrees":6.7565},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4602,"elapsed_within_degrees":2.7935},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.1638},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.485,"elongation":17.243},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.485,"opposition_distance":162.757}},"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":"05:24","sunsetLocal":"19:20","solarNoonLocal":"12:22","dayLengthHours":13.93613006854782,"dayLengthDisplay":"13 Hours 56 Mins 10 Secs","nightLengthDisplay":"10 Hours 03 Mins 50 Secs","moonriseLocal":"04:13","moonsetLocal":"18:16","rahuKala":{"name":"Rāhu Kāla","start":"17:36","end":"19:20","startHours":17.597565923141445,"endHours":19.339582181709922,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:22","end":"14:07","startHours":12.371517147436013,"endHours":14.113533406004489,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:51","end":"17:36","startHours":15.855549664572967,"endHours":17.597565923141445,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.65521579582326,"endHours":9.119753464774853,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:21","startHours":5.984124199351594,"endHours":6.35575433451287,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.906979478484418,"endHours":12.836054816387607,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:28","startHours":3.5453014373557257,"endHours":4.474376775258913,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:24","startHours":4.242107940783116,"endHours":5.403452113162102,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.694205492193982,"endHours":15.623280830097169,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.139582181709923,"endHours":19.53958218170992,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:55","startHours":19.339582181709922,"endHours":19.920254267899413,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.089582181709922,"endHours":20.839582181709922,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.90697947848442,"endHours":24.836054816387605,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:24","end":"07:09","startHours":5.403452113162102,"endHours":7.145468371730579,"quality":"inauspicious"},{"name":"Chala","start":"07:09","end":"08:53","startHours":7.145468371730579,"endHours":8.887484630299056,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:38","startHours":8.887484630299056,"endHours":10.629500888867534,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:22","startHours":10.629500888867534,"endHours":12.371517147436013,"quality":"auspicious"},{"name":"Kāla","start":"12:22","end":"14:07","startHours":12.371517147436013,"endHours":14.113533406004489,"quality":"inauspicious"},{"name":"Śubha","start":"14:07","end":"15:51","startHours":14.113533406004489,"endHours":15.855549664572967,"quality":"auspicious"},{"name":"Roga","start":"15:51","end":"17:36","startHours":15.855549664572967,"endHours":17.597565923141445,"quality":"inauspicious"},{"name":"Udveg","start":"17:36","end":"19:20","startHours":17.597565923141445,"endHours":19.339582181709922,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:20","end":"20:36","startHours":19.339582181709922,"endHours":20.597565923141445,"quality":"auspicious"},{"name":"Roga","start":"20:36","end":"21:51","startHours":20.597565923141445,"endHours":21.855549664572965,"quality":"inauspicious"},{"name":"Udveg","start":"21:51","end":"23:07","startHours":21.855549664572965,"endHours":23.11353340600449,"quality":"inauspicious"},{"name":"Chala","start":"23:07","end":"00:22","startHours":23.11353340600449,"endHours":24.371517147436013,"quality":"neutral"},{"name":"Labha","start":"00:22","end":"01:38","startHours":24.371517147436013,"endHours":25.629500888867533,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"02:53","startHours":25.629500888867533,"endHours":26.887484630299056,"quality":"auspicious"},{"name":"Kāla","start":"02:53","end":"04:09","startHours":26.887484630299056,"endHours":28.14546837173058,"quality":"inauspicious"},{"name":"Śubha","start":"04:09","end":"05:24","startHours":28.14546837173058,"endHours":29.403452113162103,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.403452113162102,"endHours":6.403452113162102,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.403452113162102,"endHours":7.403452113162102,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.403452113162102,"endHours":8.403452113162102,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.403452113162102,"endHours":9.403452113162102,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.403452113162102,"endHours":10.403452113162102,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.403452113162102,"endHours":11.403452113162102,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.403452113162102,"endHours":12.403452113162102,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.403452113162102,"endHours":13.403452113162102,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.403452113162102,"endHours":14.403452113162102,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.403452113162102,"endHours":15.403452113162102,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.403452113162102,"endHours":16.403452113162103,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.403452113162103,"endHours":17.403452113162103,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.403452113162103,"endHours":18.403452113162103,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.403452113162103,"endHours":19.403452113162103,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.403452113162103,"endHours":20.403452113162103,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.403452113162103,"endHours":21.403452113162103,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.403452113162103,"endHours":22.403452113162103,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.403452113162103,"endHours":23.403452113162103,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.403452113162103,"endHours":24.403452113162103,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.403452113162103,"endHours":25.403452113162103,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.403452113162103,"endHours":26.403452113162103,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.403452113162103,"endHours":27.403452113162103,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.403452113162103,"endHours":28.403452113162103,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.403452113162103,"endHours":29.403452113162103,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.87631178345924,"eotMinutes":-5.361428846160681,"ayanamsa":23.4273}},"calendars":{"vikram_samvat":2026,"vikram_samvatsara":"Dundubhi","saka_samvat":1891,"saka_samvatsara":"Saumya","bengali_samvat":1376,"malayalam_era":1145,"nanakshahi_year":500,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Caturdaśī · Vikram 2026 Dundubhi · Śaka 1891 Saumya"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 July 13, 1969 CE · Ṛṣikeśa · Vidhyamitra","description":"July 13, 1969 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 05:24, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1969-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1969-07-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1969-07-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1969-07-13","x-default":"https://vidhyamitra.com/city/rishikesh/1969-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T20:43:36.110Z","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":"2026-05-19T20:43:36.110Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T20:43:36.110Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}