{"id":"vidhyamitra:city-day:rameswaram:1973-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rameswaram/1973-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-05-01","date_display":"May 1, 1973 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":1973,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441803.770833,"kali_year":5075,"ahargana":1853338.2708,"sun":{"sidereal_longitude":17.1686,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":352.0544,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.8859,"elapsed_within_tithi_degrees":10.8859},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.0544,"elapsed_within_degrees":5.3878},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.223},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1973,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441803.770833,"ahargana":1853338.2708,"kali_year":5075,"ayanamsa_lahiri":23.4804,"grahas":{"sun":{"sidereal_longitude":17.046696999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":352.016897,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":4.4995},"mars":{"sidereal_longitude":301.8397970000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":357.700497,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":287.69959700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":22.96089699999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":55.239097000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":261.2195,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.2195,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1973,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441803.770833,"kali_year":5075,"ahargana":1853338.2708,"sun":{"sidereal_longitude":17.1686,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":352.0544,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.8859,"elapsed_within_tithi_degrees":10.8859},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":352.0544,"elapsed_within_degrees":5.3878},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.223},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":25.114},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":154.886}},"eclipse_window_40days":[]},"city":{"slug":"rameswaram","name":"Rameswaram, Tamil Nadu","lat":9.2885,"lon":79.3127,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rameswaram","name":"Rameswaram, Tamil Nadu","lat":9.2885,"lon":79.3127,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tirtha"},"sunriseLocal":"05:56","sunsetLocal":"18:23","solarNoonLocal":"12:10","dayLengthHours":12.45103030934045,"dayLengthDisplay":"12 Hours 27 Mins 04 Secs","nightLengthDisplay":"11 Hours 32 Mins 56 Secs","moonriseLocal":"04:23","moonsetLocal":"16:36","rahuKala":{"name":"Rāhu Kāla","start":"15:17","end":"16:50","startHours":15.276610788518997,"endHours":16.832989577186552,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:03","end":"10:36","startHours":9.051095633848773,"endHours":10.60747442251633,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:10","end":"13:43","startHours":12.163853211183884,"endHours":13.720231999851443,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:16","startHours":8.843578462026432,"endHours":9.258612805671113,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.4571309860695125,"endHours":6.7891584609852575,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:45","end":"12:35","startHours":11.748818867539205,"endHours":12.578887554828567,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:06","startHours":4.278200681934933,"endHours":5.108269369224297,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:56","startHours":4.900752197401956,"endHours":5.93833805651366,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:04","startHours":14.239024929407293,"endHours":15.069093616696657,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.18936836585411,"endHours":18.58936836585411,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:54","startHours":18.38936836585411,"endHours":18.90816129540996,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.13936836585411,"endHours":19.88936836585411,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:45","end":"00:35","startHours":23.748818867539203,"endHours":24.578887554828565,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:56","end":"07:30","startHours":5.93833805651366,"endHours":7.494716845181216,"quality":"inauspicious"},{"name":"Udveg","start":"07:30","end":"09:03","startHours":7.494716845181216,"endHours":9.051095633848773,"quality":"inauspicious"},{"name":"Chala","start":"09:03","end":"10:36","startHours":9.051095633848773,"endHours":10.60747442251633,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:10","startHours":10.60747442251633,"endHours":12.163853211183884,"quality":"auspicious"},{"name":"Amṛta","start":"12:10","end":"13:43","startHours":12.163853211183884,"endHours":13.720231999851443,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:17","startHours":13.720231999851443,"endHours":15.276610788518997,"quality":"inauspicious"},{"name":"Śubha","start":"15:17","end":"16:50","startHours":15.276610788518997,"endHours":16.832989577186552,"quality":"auspicious"},{"name":"Roga","start":"16:50","end":"18:23","startHours":16.832989577186552,"endHours":18.38936836585411,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:23","end":"19:50","startHours":18.38936836585411,"endHours":19.832989577186556,"quality":"inauspicious"},{"name":"Śubha","start":"19:50","end":"21:17","startHours":19.832989577186556,"endHours":21.276610788518997,"quality":"auspicious"},{"name":"Roga","start":"21:17","end":"22:43","startHours":21.276610788518997,"endHours":22.720231999851443,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:10","startHours":22.720231999851443,"endHours":24.163853211183884,"quality":"inauspicious"},{"name":"Chala","start":"00:10","end":"01:36","startHours":24.163853211183884,"endHours":25.60747442251633,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"03:03","startHours":25.60747442251633,"endHours":27.051095633848774,"quality":"auspicious"},{"name":"Amṛta","start":"03:03","end":"04:30","startHours":27.051095633848774,"endHours":28.494716845181216,"quality":"auspicious"},{"name":"Kāla","start":"04:30","end":"05:56","startHours":28.494716845181216,"endHours":29.93833805651366,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.93833805651366,"endHours":6.93833805651366,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.93833805651366,"endHours":7.93833805651366,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.93833805651366,"endHours":8.938338056513661,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.938338056513661,"endHours":9.938338056513661,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.938338056513661,"endHours":10.938338056513661,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.938338056513661,"endHours":11.938338056513661,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.938338056513661,"endHours":12.938338056513661,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.938338056513661,"endHours":13.938338056513661,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.938338056513661,"endHours":14.938338056513661,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.938338056513661,"endHours":15.938338056513661,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.938338056513661,"endHours":16.93833805651366,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.93833805651366,"endHours":17.93833805651366,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.93833805651366,"endHours":18.93833805651366,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.93833805651366,"endHours":19.93833805651366,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.93833805651366,"endHours":20.93833805651366,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.93833805651366,"endHours":21.93833805651366,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.93833805651366,"endHours":22.93833805651366,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.93833805651366,"endHours":23.93833805651366,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.93833805651366,"endHours":24.93833805651366,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.93833805651366,"endHours":25.93833805651366,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.93833805651366,"endHours":26.93833805651366,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.93833805651366,"endHours":27.93833805651366,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.93833805651366,"endHours":28.93833805651366,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.93833805651366,"endHours":29.93833805651366,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.978085245270995,"eotMinutes":2.918007328966811,"ayanamsa":23.4804}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Trayodaśī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rameswaram"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 1, 1973 CE · Rameswaram, Tamil Nadu · Vidhyamitra","description":"May 1, 1973 CE for Rameswaram, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 05:56, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rameswaram/1973-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rameswaram/1973-05-01","sa":"https://sa.vidhyamitra.com/city/rameswaram/1973-05-01","hi":"https://hi.vidhyamitra.com/city/rameswaram/1973-05-01","x-default":"https://vidhyamitra.com/city/rameswaram/1973-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T05:50:58.036Z","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":"2026-06-03T05:50:58.036Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T05:50:58.036Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}