{"id":"vidhyamitra:city-day:rishikesh:1979-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1979-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-05-25","date_display":"May 25, 1979 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":1979,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444018.770833,"kali_year":5081,"ahargana":1855553.2708,"sun":{"sidereal_longitude":39.6667,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":29.5294,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.8626,"elapsed_within_tithi_degrees":1.8626},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.5294,"elapsed_within_degrees":2.8627},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.1961},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1979,"month":5,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444018.770833,"ahargana":1855553.2708,"kali_year":5081,"ayanamsa_lahiri":23.5651,"grahas":{"sun":{"sidereal_longitude":39.696168,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":27.84236800000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":-4.0997},"mars":{"sidereal_longitude":13.317968000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":33.846768,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":100.264768,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":15.242167999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":133.55156799999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":143.8582,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":323.8582,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"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":1979,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444018.770833,"kali_year":5081,"ahargana":1855553.2708,"sun":{"sidereal_longitude":39.6667,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":29.5294,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":349.8626,"elapsed_within_tithi_degrees":1.8626},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.5294,"elapsed_within_degrees":2.8627},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":69.1961},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.1,"elongation":10.137},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.1,"opposition_distance":169.863}},"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":13.836786576162552,"dayLengthDisplay":"13 Hours 50 Mins 12 Secs","nightLengthDisplay":"10 Hours 09 Mins 48 Secs","moonriseLocal":"04:40","moonsetLocal":"18:13","rahuKala":{"name":"Rāhu Kāla","start":"10:30","end":"12:14","startHours":10.49893032206488,"endHours":12.228528644085198,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:41","end":"17:25","startHours":15.687725288125836,"endHours":17.417323610146155,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:02","end":"08:46","startHours":7.039733678024241,"endHours":8.76933200004456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.538718890441851,"endHours":8.99994510964727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:15","startHours":5.886668130010695,"endHours":6.25564910537503,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.76730242487978,"endHours":12.689754863290617,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:23","startHours":3.4652304791822486,"endHours":4.387682917593086,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:19","startHours":4.157069807990377,"endHours":5.310135356003922,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:27","startHours":14.53465974011229,"endHours":15.457112178523126,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.946921932166475,"endHours":19.346921932166474,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:43","startHours":19.146921932166475,"endHours":19.723454706173246,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.896921932166475,"endHours":20.646921932166475,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.76730242487978,"endHours":24.689754863290617,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:19","end":"07:02","startHours":5.310135356003922,"endHours":7.039733678024241,"quality":"neutral"},{"name":"Labha","start":"07:02","end":"08:46","startHours":7.039733678024241,"endHours":8.76933200004456,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:30","startHours":8.76933200004456,"endHours":10.49893032206488,"quality":"auspicious"},{"name":"Kāla","start":"10:30","end":"12:14","startHours":10.49893032206488,"endHours":12.228528644085198,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:57","startHours":12.228528644085198,"endHours":13.958126966105517,"quality":"auspicious"},{"name":"Roga","start":"13:57","end":"15:41","startHours":13.958126966105517,"endHours":15.687725288125836,"quality":"inauspicious"},{"name":"Udveg","start":"15:41","end":"17:25","startHours":15.687725288125836,"endHours":17.417323610146155,"quality":"inauspicious"},{"name":"Chala","start":"17:25","end":"19:09","startHours":17.417323610146155,"endHours":19.146921932166475,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:09","end":"20:25","startHours":19.146921932166475,"endHours":20.417323610146155,"quality":"inauspicious"},{"name":"Udveg","start":"20:25","end":"21:41","startHours":20.417323610146155,"endHours":21.687725288125836,"quality":"inauspicious"},{"name":"Chala","start":"21:41","end":"22:57","startHours":21.687725288125836,"endHours":22.958126966105517,"quality":"neutral"},{"name":"Labha","start":"22:57","end":"00:14","startHours":22.958126966105517,"endHours":24.2285286440852,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:30","startHours":24.2285286440852,"endHours":25.49893032206488,"quality":"auspicious"},{"name":"Kāla","start":"01:30","end":"02:46","startHours":25.49893032206488,"endHours":26.76933200004456,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:02","startHours":26.76933200004456,"endHours":28.03973367802424,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:19","startHours":28.03973367802424,"endHours":29.310135356003922,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.310135356003922,"endHours":6.310135356003922,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.310135356003922,"endHours":7.310135356003922,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.310135356003922,"endHours":8.310135356003922,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.310135356003922,"endHours":9.310135356003922,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.310135356003922,"endHours":10.310135356003922,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.310135356003922,"endHours":11.310135356003922,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.310135356003922,"endHours":12.310135356003922,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.310135356003922,"endHours":13.310135356003922,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.310135356003922,"endHours":14.310135356003922,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.310135356003922,"endHours":15.310135356003922,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.310135356003922,"endHours":16.310135356003922,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.310135356003922,"endHours":17.310135356003922,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.310135356003922,"endHours":18.310135356003922,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.310135356003922,"endHours":19.310135356003922,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.310135356003922,"endHours":20.310135356003922,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.310135356003922,"endHours":21.310135356003922,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.310135356003922,"endHours":22.310135356003922,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.310135356003922,"endHours":23.310135356003922,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.310135356003922,"endHours":24.310135356003922,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.310135356003922,"endHours":25.310135356003922,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.310135356003922,"endHours":26.310135356003922,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.310135356003922,"endHours":27.310135356003922,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.310135356003922,"endHours":28.310135356003922,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.310135356003922,"endHours":29.310135356003922,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Gada","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":20.805819638728288,"eotMinutes":3.2178813548881493,"ayanamsa":23.5651}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Amāvasyā · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[{"id":"vat-savitri-amavasya","name":"Vaṭa Sāvitrī Amāvasyā","name_sanskrit":"वट सावित्री अमावस्या","tradition":"Pan-Hindu","associated_deity":"Sāvitrī Devī","significance":"Sāvitrī's redemption of Satyavān from Yama; pati-vrata observance.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":2,"sources":["Mahābhārata, Vana Parva — Sāvitrī Upākhyāna"]},{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 May 25, 1979 CE · Ṛṣikeśa · Vidhyamitra","description":"May 25, 1979 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 05:19, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1979-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1979-05-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1979-05-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1979-05-25","x-default":"https://vidhyamitra.com/city/rishikesh/1979-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:58:32.955Z","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":"2026-05-24T11:58:32.955Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:58:32.955Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}