{"id":"vidhyamitra:city-day:rishikesh:1975-09-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1975-09-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-09-25","date_display":"September 25, 1975 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":1975,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442680.770833,"kali_year":5077,"ahargana":1854215.2708,"sun":{"sidereal_longitude":157.158,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.7126,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":233.5547,"elapsed_within_tithi_degrees":5.5547},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.7126,"elapsed_within_degrees":4.046},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.8706},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1975,"month":9,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442680.770833,"ahargana":1854215.2708,"kali_year":5077,"ayanamsa_lahiri":23.514,"grahas":{"sun":{"sidereal_longitude":157.84088900000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":27.745289000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":0.3167},"mars":{"sidereal_longitude":58.97128900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":181.28598899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":358.525789,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":123.09778900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":97.26448900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":214.7518,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.7518,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1975,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442680.770833,"kali_year":5077,"ahargana":1854215.2708,"sun":{"sidereal_longitude":157.158,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.7126,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":233.5547,"elapsed_within_tithi_degrees":5.5547},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.7126,"elapsed_within_degrees":4.046},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.8706},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.317,"elongation":126.445},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.317,"opposition_distance":53.555}},"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":"06:05","sunsetLocal":"18:10","solarNoonLocal":"12:08","dayLengthHours":12.0867376581529,"dayLengthDisplay":"12 Hours 05 Mins 12 Secs","nightLengthDisplay":"11 Hours 54 Mins 48 Secs","moonriseLocal":"20:41","moonsetLocal":"10:14","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:09","startHours":13.64056009746341,"endHours":15.151402304732525,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:05","end":"07:36","startHours":6.086349061117849,"endHours":7.597191268386961,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:37","startHours":9.108033475656073,"endHours":10.618875682925186,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:19","startHours":8.906587848020193,"endHours":9.309479103291956,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.589963130207553,"endHours":6.912276134424964,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:32","startHours":11.726826634922537,"endHours":12.532609145466063,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:17","startHours":4.474784040030795,"endHours":5.2805665505743224,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:05","startHours":5.07912092293844,"endHours":6.086349061117849,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:57","startHours":14.144174166553116,"endHours":14.949956677096642,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:58","end":"18:22","startHours":17.97308671927075,"endHours":18.37308671927075,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:10","end":"18:41","startHours":18.17308671927075,"endHours":18.676700788360453,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:55","end":"19:40","startHours":17.92308671927075,"endHours":19.67308671927075,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:32","startHours":23.726826634922535,"endHours":24.532609145466065,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:05","end":"07:36","startHours":6.086349061117849,"endHours":7.597191268386961,"quality":"auspicious"},{"name":"Roga","start":"07:36","end":"09:06","startHours":7.597191268386961,"endHours":9.108033475656073,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:37","startHours":9.108033475656073,"endHours":10.618875682925186,"quality":"inauspicious"},{"name":"Chala","start":"10:37","end":"12:08","startHours":10.618875682925186,"endHours":12.1297178901943,"quality":"neutral"},{"name":"Labha","start":"12:08","end":"13:38","startHours":12.1297178901943,"endHours":13.64056009746341,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:09","startHours":13.64056009746341,"endHours":15.151402304732525,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:40","startHours":15.151402304732525,"endHours":16.662244512001635,"quality":"inauspicious"},{"name":"Śubha","start":"16:40","end":"18:10","startHours":16.662244512001635,"endHours":18.17308671927075,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:10","end":"19:40","startHours":18.17308671927075,"endHours":19.662244512001635,"quality":"auspicious"},{"name":"Kāla","start":"19:40","end":"21:09","startHours":19.662244512001635,"endHours":21.151402304732525,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:38","startHours":21.151402304732525,"endHours":22.64056009746341,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:08","startHours":22.64056009746341,"endHours":24.1297178901943,"quality":"inauspicious"},{"name":"Udveg","start":"00:08","end":"01:37","startHours":24.1297178901943,"endHours":25.618875682925186,"quality":"inauspicious"},{"name":"Chala","start":"01:37","end":"03:06","startHours":25.618875682925186,"endHours":27.10803347565607,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:36","startHours":27.10803347565607,"endHours":28.59719126838696,"quality":"auspicious"},{"name":"Amṛta","start":"04:36","end":"06:05","startHours":28.59719126838696,"endHours":30.08634906111785,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.086349061117849,"endHours":7.086349061117849,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.086349061117849,"endHours":8.086349061117849,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.086349061117849,"endHours":9.086349061117849,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.086349061117849,"endHours":10.086349061117849,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.086349061117849,"endHours":11.086349061117849,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.086349061117849,"endHours":12.086349061117849,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.086349061117849,"endHours":13.086349061117849,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.086349061117849,"endHours":14.086349061117849,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.086349061117849,"endHours":15.086349061117849,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.086349061117849,"endHours":16.08634906111785,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.08634906111785,"endHours":17.08634906111785,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.08634906111785,"endHours":18.08634906111785,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.08634906111785,"endHours":19.08634906111785,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.08634906111785,"endHours":20.08634906111785,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.08634906111785,"endHours":21.08634906111785,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.08634906111785,"endHours":22.08634906111785,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.08634906111785,"endHours":23.08634906111785,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.08634906111785,"endHours":24.08634906111785,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.08634906111785,"endHours":25.08634906111785,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.08634906111785,"endHours":26.08634906111785,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.08634906111785,"endHours":27.08634906111785,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.08634906111785,"endHours":28.08634906111785,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.08634906111785,"endHours":29.08634906111785,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.08634906111785,"endHours":30.08634906111785,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.5388410576147995,"eotMinutes":9.146526588342006,"ayanamsa":23.514}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Pañcamī · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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":"-3137-12-25","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 September 25, 1975 CE · Ṛṣikeśa · Vidhyamitra","description":"September 25, 1975 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 06:05, sūryāsta 18:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1975-09-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1975-09-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1975-09-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1975-09-25","x-default":"https://vidhyamitra.com/city/rishikesh/1975-09-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:59:04.032Z","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":"2026-06-02T07:59:04.032Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:59:04.032Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}