{"id":"vidhyamitra:city-day:rishikesh:1968-02-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1968-02-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-02-21","date_display":"February 21, 1968 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":1968,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439907.770833,"kali_year":5069,"ahargana":1851442.2708,"sun":{"sidereal_longitude":308.2657,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":215.9528,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.6871,"elapsed_within_tithi_degrees":3.6871},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.9528,"elapsed_within_degrees":2.6194},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.2185},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":1968,"month":2,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439907.770833,"ahargana":1851442.2708,"kali_year":5069,"ayanamsa_lahiri":23.4079,"grahas":{"sun":{"sidereal_longitude":308.067238,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":216.66513800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-2.5324},"mars":{"sidereal_longitude":340.005138,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":297.314038,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":127.822338,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":278.08103800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":347.257838,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":1.6787,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.6787,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1968,"month":2,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439907.770833,"kali_year":5069,"ahargana":1851442.2708,"sun":{"sidereal_longitude":308.2657,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":215.9528,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.6871,"elapsed_within_tithi_degrees":3.6871},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.9528,"elapsed_within_degrees":2.6194},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":164.2185},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.532,"elongation":92.313},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.532,"opposition_distance":87.687}},"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":"06:53","sunsetLocal":"18:09","solarNoonLocal":"12:31","dayLengthHours":11.273393216037514,"dayLengthDisplay":"11 Hours 16 Mins 24 Secs","nightLengthDisplay":"12 Hours 43 Mins 36 Secs","moonriseLocal":"01:12","moonsetLocal":"11:39","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"13:56","startHours":12.518657372353939,"endHours":13.927831524358627,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:17","end":"09:42","startHours":8.291134916339871,"endHours":9.70030906834456,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:07","end":"12:31","startHours":11.109483220349249,"endHours":12.518657372353939,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:53","startHours":9.512419181410602,"endHours":9.888198955278519,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:39","startHours":7.351685481670078,"endHours":7.652309300764411,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.142877598486022,"endHours":12.894437146221856,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:08","startHours":5.378841668863513,"endHours":6.130401216599347,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:53","startHours":5.942511329665388,"endHours":6.881960764335181,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:09","startHours":14.397556241693524,"endHours":15.149115789429358,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.955353980372696,"endHours":18.355353980372694,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:38","startHours":18.155353980372695,"endHours":18.62507869770759,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.905353980372695,"endHours":19.655353980372695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.14287759848602,"endHours":24.894437146221858,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:53","end":"08:17","startHours":6.881960764335181,"endHours":8.291134916339871,"quality":"auspicious"},{"name":"Amṛta","start":"08:17","end":"09:42","startHours":8.291134916339871,"endHours":9.70030906834456,"quality":"auspicious"},{"name":"Kāla","start":"09:42","end":"11:07","startHours":9.70030906834456,"endHours":11.109483220349249,"quality":"inauspicious"},{"name":"Śubha","start":"11:07","end":"12:31","startHours":11.109483220349249,"endHours":12.518657372353939,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"13:56","startHours":12.518657372353939,"endHours":13.927831524358627,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:20","startHours":13.927831524358627,"endHours":15.337005676363317,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:45","startHours":15.337005676363317,"endHours":16.746179828368007,"quality":"neutral"},{"name":"Labha","start":"16:45","end":"18:09","startHours":16.746179828368007,"endHours":18.155353980372695,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:09","end":"19:45","startHours":18.155353980372695,"endHours":19.746179828368007,"quality":"inauspicious"},{"name":"Chala","start":"19:45","end":"21:20","startHours":19.746179828368007,"endHours":21.337005676363315,"quality":"neutral"},{"name":"Labha","start":"21:20","end":"22:56","startHours":21.337005676363315,"endHours":22.927831524358627,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:31","startHours":22.927831524358627,"endHours":24.51865737235394,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"02:07","startHours":24.51865737235394,"endHours":26.109483220349247,"quality":"inauspicious"},{"name":"Śubha","start":"02:07","end":"03:42","startHours":26.109483220349247,"endHours":27.70030906834456,"quality":"auspicious"},{"name":"Roga","start":"03:42","end":"05:17","startHours":27.70030906834456,"endHours":29.29113491633987,"quality":"inauspicious"},{"name":"Udveg","start":"05:17","end":"06:53","startHours":29.29113491633987,"endHours":30.881960764335183,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.881960764335181,"endHours":7.881960764335181,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.881960764335181,"endHours":8.881960764335181,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.881960764335181,"endHours":9.881960764335181,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.881960764335181,"endHours":10.881960764335181,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.881960764335181,"endHours":11.881960764335181,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.881960764335181,"endHours":12.881960764335181,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.881960764335181,"endHours":13.881960764335181,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.881960764335181,"endHours":14.881960764335181,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.881960764335181,"endHours":15.881960764335181,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.881960764335181,"endHours":16.881960764335183,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.881960764335183,"endHours":17.881960764335183,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.881960764335183,"endHours":18.881960764335183,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.881960764335183,"endHours":19.881960764335183,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.881960764335183,"endHours":20.881960764335183,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.881960764335183,"endHours":21.881960764335183,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.881960764335183,"endHours":22.881960764335183,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.881960764335183,"endHours":23.881960764335183,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.881960764335183,"endHours":24.881960764335183,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.881960764335183,"endHours":25.881960764335183,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.881960764335183,"endHours":26.881960764335183,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.881960764335183,"endHours":27.881960764335183,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.881960764335183,"endHours":28.881960764335183,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.881960764335183,"endHours":29.881960764335183,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.881960764335183,"endHours":30.881960764335183,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.948884766381775,"eotMinutes":-14.189842341236304,"ayanamsa":23.4079}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Aṣṭamī · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"festivals":[{"id":"sitashtami","name":"Sītāṣṭamī","name_sanskrit":"सीताष्टमी","tradition":"Vaishnava","associated_deity":"Sītā Devī","significance":"Birth-anniversary of Sītā per Phālguna-Kṛṣṇa-Aṣṭamī tradition.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":3}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 February 21, 1968 CE · Ṛṣikeśa · Vidhyamitra","description":"February 21, 1968 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 06:53, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1968-02-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1968-02-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/1968-02-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/1968-02-21","x-default":"https://vidhyamitra.com/city/rishikesh/1968-02-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:39:13.415Z","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":"2026-05-31T10:39:13.415Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:39:13.415Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}